Finding the Fourth Proportional to 247,718,695.10, 371,566,232.85 and 83,940,388.70
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Solution
The fourth proportional to 247,718,695.10, 371,566,232.85 and 83,940,388.70 is: 125,906,581.26
Step by Step Solution
- Step 1: Write the proportion equation
247,718,695.10 : 371,566,232.85 = 83,940,388.70 : x - Step 2: Convert to fraction form
247,718,695.10/371,566,232.85 = 83,940,388.70/x - Step 3: Cross multiply
247,718,695.10x = 371,566,232.85 × 83,940,388.70 - Step 4: Simplify right side
247,718,695.10x = 31,189,414,013,223,712 - Step 5: Solve for x
x = 31,189,414,013,223,712/247,718,695.10 - Step 6: Final answer
x = 125,906,581.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.