Finding the Fourth Proportional to 125,981,082.60, 173,853,896.26 and 68,034,330.60
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Solution
The fourth proportional to 125,981,082.60, 173,853,896.26 and 68,034,330.60 is: 93,887,377.45
Step by Step Solution
- Step 1: Write the proportion equation
125,981,082.60 : 173,853,896.26 = 68,034,330.60 : x - Step 2: Convert to fraction form
125,981,082.60/173,853,896.26 = 68,034,330.60/x - Step 3: Cross multiply
125,981,082.60x = 173,853,896.26 × 68,034,330.60 - Step 4: Simplify right side
125,981,082.60x = 11,828,033,454,250,942 - Step 5: Solve for x
x = 11,828,033,454,250,942/125,981,082.60 - Step 6: Final answer
x = 93,887,377.45
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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.