Finding the Fourth Proportional to 218,592,617.20, 327,888,925.80 and 57,034,553.20
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Solution
The fourth proportional to 218,592,617.20, 327,888,925.80 and 57,034,553.20 is: 85,551,829.80
Step by Step Solution
- Step 1: Write the proportion equation
218,592,617.20 : 327,888,925.80 = 57,034,553.20 : x - Step 2: Convert to fraction form
218,592,617.20/327,888,925.80 = 57,034,553.20/x - Step 3: Cross multiply
218,592,617.20x = 327,888,925.80 × 57,034,553.20 - Step 4: Simplify right side
218,592,617.20x = 18,700,998,382,230,956 - Step 5: Solve for x
x = 18,700,998,382,230,956/218,592,617.20 - Step 6: Final answer
x = 85,551,829.80
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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.