Finding the Fourth Proportional to 79,722,439.97, 110,016,968.51 and 43,053,010.97
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Solution
The fourth proportional to 79,722,439.97, 110,016,968.51 and 43,053,010.97 is: 59,413,155.87
Step by Step Solution
- Step 1: Write the proportion equation
79,722,439.97 : 110,016,968.51 = 43,053,010.97 : x - Step 2: Convert to fraction form
79,722,439.97/110,016,968.51 = 43,053,010.97/x - Step 3: Cross multiply
79,722,439.97x = 110,016,968.51 × 43,053,010.97 - Step 4: Simplify right side
79,722,439.97x = 4,736,561,751,704,723 - Step 5: Solve for x
x = 4,736,561,751,704,723/79,722,439.97 - Step 6: Final answer
x = 59,413,155.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.