What is four-fifths of 91,400,000

well you multiply (4/5) * (91,400,000) = 73120000
(4/5) means the same as 80%. so what you are asking is 80% of 91,400,000 is 73,120,000.

4/5 is the same as 0.8; the term "of" always means multiplication.

To find the answer, multiply 0.8 by 91,400,000, which comes out to 73,120,000.

Straight up, just think of "of" as x.

4/5 of 91,400,000 = 4/5 x 91,400,000 = 73,120,000

First divid by five, then add that four times, ?or divid by five, then subtract the answer from whole 91,400,000

9.14 x 10^7 x 0.8 = 7.312 x 10^7

Just divide it by 5 and times it by 4... 73120000

(4/5)(91400000/1)
73120000