Finding the Fourth Proportional to 125,981,552.38, 173,854,540.84 and 68,034,800.38
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Solution
The fourth proportional to 125,981,552.38, 173,854,540.84 and 68,034,800.38 is: 93,888,023.74
Step by Step Solution
- Step 1: Write the proportion equation
125,981,552.38 : 173,854,540.84 = 68,034,800.38 : x - Step 2: Convert to fraction form
125,981,552.38/173,854,540.84 = 68,034,800.38/x - Step 3: Cross multiply
125,981,552.38x = 173,854,540.84 × 68,034,800.38 - Step 4: Simplify right side
125,981,552.38x = 11,828,158,981,205,956 - Step 5: Solve for x
x = 11,828,158,981,205,956/125,981,552.38 - Step 6: Final answer
x = 93,888,023.74
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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.