Finding the Fourth Proportional to 94,306,077.20, 141,459,115.80 and 89,841,972.80
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Solution
The fourth proportional to 94,306,077.20, 141,459,115.80 and 89,841,972.80 is: 134,762,959.20
Step by Step Solution
- Step 1: Write the proportion equation
94,306,077.20 : 141,459,115.80 = 89,841,972.80 : x - Step 2: Convert to fraction form
94,306,077.20/141,459,115.80 = 89,841,972.80/x - Step 3: Cross multiply
94,306,077.20x = 141,459,115.80 × 89,841,972.80 - Step 4: Simplify right side
94,306,077.20x = 12,708,966,034,015,650 - Step 5: Solve for x
x = 12,708,966,034,015,650/94,306,077.20 - Step 6: Final answer
x = 134,762,959.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.