Finding the Fourth Proportional to 70,587,331.20, 97,422,074.49 and 58,807,920.78
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Solution
The fourth proportional to 70,587,331.20, 97,422,074.49 and 58,807,920.78 is: 81,164,559.44
Step by Step Solution
- Step 1: Write the proportion equation
70,587,331.20 : 97,422,074.49 = 58,807,920.78 : x - Step 2: Convert to fraction form
70,587,331.20/97,422,074.49 = 58,807,920.78/x - Step 3: Cross multiply
70,587,331.20x = 97,422,074.49 × 58,807,920.78 - Step 4: Simplify right side
70,587,331.20x = 5,729,189,639,051,709 - Step 5: Solve for x
x = 5,729,189,639,051,709/70,587,331.20 - Step 6: Final answer
x = 81,164,559.44
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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.