Finding the Fourth Proportional to 132,121,610.91, 198,207,938.28 and 50,234,122.05
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Solution
The fourth proportional to 132,121,610.91, 198,207,938.28 and 50,234,122.05 is: 75,360,886.79
Step by Step Solution
- Step 1: Write the proportion equation
132,121,610.91 : 198,207,938.28 = 50,234,122.05 : x - Step 2: Convert to fraction form
132,121,610.91/198,207,938.28 = 50,234,122.05/x - Step 3: Cross multiply
132,121,610.91x = 198,207,938.28 × 50,234,122.05 - Step 4: Simplify right side
132,121,610.91x = 9,956,801,762,836,386 - Step 5: Solve for x
x = 9,956,801,762,836,386/132,121,610.91 - Step 6: Final answer
x = 75,360,886.79
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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.