Finding the Fourth Proportional to 115,859,182.28, 173,940,657.98 and 77,691,483.24
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Solution
The fourth proportional to 115,859,182.28, 173,940,657.98 and 77,691,483.24 is: 116,639,073.82
Step by Step Solution
- Step 1: Write the proportion equation
115,859,182.28 : 173,940,657.98 = 77,691,483.24 : x - Step 2: Convert to fraction form
115,859,182.28/173,940,657.98 = 77,691,483.24/x - Step 3: Cross multiply
115,859,182.28x = 173,940,657.98 × 77,691,483.24 - Step 4: Simplify right side
115,859,182.28x = 13,513,707,714,207,740 - Step 5: Solve for x
x = 13,513,707,714,207,740/115,859,182.28 - Step 6: Final answer
x = 116,639,073.82
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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.