Finding the Fourth Proportional to 90,204,217.74, 124,481,901.87 and 48,951,110.52
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Solution
The fourth proportional to 90,204,217.74, 124,481,901.87 and 48,951,110.52 is: 67,552,576.68
Step by Step Solution
- Step 1: Write the proportion equation
90,204,217.74 : 124,481,901.87 = 48,951,110.52 : x - Step 2: Convert to fraction form
90,204,217.74/124,481,901.87 = 48,951,110.52/x - Step 3: Cross multiply
90,204,217.74x = 124,481,901.87 × 48,951,110.52 - Step 4: Simplify right side
90,204,217.74x = 6,093,527,336,178,165 - Step 5: Solve for x
x = 6,093,527,336,178,165/90,204,217.74 - Step 6: Final answer
x = 67,552,576.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.