Finding the Fourth Proportional to 132,121,609.41, 198,207,936.03 and 50,234,120.55
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Solution
The fourth proportional to 132,121,609.41, 198,207,936.03 and 50,234,120.55 is: 75,360,884.54
Step by Step Solution
- Step 1: Write the proportion equation
132,121,609.41 : 198,207,936.03 = 50,234,120.55 : x - Step 2: Convert to fraction form
132,121,609.41/198,207,936.03 = 50,234,120.55/x - Step 3: Cross multiply
132,121,609.41x = 198,207,936.03 × 50,234,120.55 - Step 4: Simplify right side
132,121,609.41x = 9,956,801,352,497,708 - Step 5: Solve for x
x = 9,956,801,352,497,708/132,121,609.41 - Step 6: Final answer
x = 75,360,884.54
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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.