Finding the Fourth Proportional to 125,981,331.50, 173,854,239.90 and 68,034,579.50
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Solution
The fourth proportional to 125,981,331.50, 173,854,239.90 and 68,034,579.50 is: 93,887,721.02
Step by Step Solution
- Step 1: Write the proportion equation
125,981,331.50 : 173,854,239.90 = 68,034,579.50 : x - Step 2: Convert to fraction form
125,981,331.50/173,854,239.90 = 68,034,579.50/x - Step 3: Cross multiply
125,981,331.50x = 173,854,239.90 × 68,034,579.50 - Step 4: Simplify right side
125,981,331.50x = 11,828,100,105,888,622 - Step 5: Solve for x
x = 11,828,100,105,888,622/125,981,331.50 - Step 6: Final answer
x = 93,887,721.02
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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.