Finding the Fourth Proportional to 218,592,609.70, 327,888,914.55 and 57,034,545.70
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Solution
The fourth proportional to 218,592,609.70, 327,888,914.55 and 57,034,545.70 is: 85,551,818.55
Step by Step Solution
- Step 1: Write the proportion equation
218,592,609.70 : 327,888,914.55 = 57,034,545.70 : x - Step 2: Convert to fraction form
218,592,609.70/327,888,914.55 = 57,034,545.70/x - Step 3: Cross multiply
218,592,609.70x = 327,888,914.55 × 57,034,545.70 - Step 4: Simplify right side
218,592,609.70x = 18,700,995,281,425,372 - Step 5: Solve for x
x = 18,700,995,281,425,372/218,592,609.70 - Step 6: Final answer
x = 85,551,818.55
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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.