Finding the Fourth Proportional to 141,983,553.12, 212,414,961.72 and 107,539,177.92
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Solution
The fourth proportional to 141,983,553.12, 212,414,961.72 and 107,539,177.92 is: 160,884,340.89
Step by Step Solution
- Step 1: Write the proportion equation
141,983,553.12 : 212,414,961.72 = 107,539,177.92 : x - Step 2: Convert to fraction form
141,983,553.12/212,414,961.72 = 107,539,177.92/x - Step 3: Cross multiply
141,983,553.12x = 212,414,961.72 × 107,539,177.92 - Step 4: Simplify right side
141,983,553.12x = 22,842,930,361,277,068 - Step 5: Solve for x
x = 22,842,930,361,277,068/141,983,553.12 - Step 6: Final answer
x = 160,884,340.89
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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.