Finding the Fourth Proportional to 227,403,535.76, 313,817,818.56 and 122,981,604.96
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Solution
The fourth proportional to 227,403,535.76, 313,817,818.56 and 122,981,604.96 is: 169,715,122.78
Step by Step Solution
- Step 1: Write the proportion equation
227,403,535.76 : 313,817,818.56 = 122,981,604.96 : x - Step 2: Convert to fraction form
227,403,535.76/313,817,818.56 = 122,981,604.96/x - Step 3: Cross multiply
227,403,535.76x = 313,817,818.56 × 122,981,604.96 - Step 4: Simplify right side
227,403,535.76x = 38,593,818,991,554,872 - Step 5: Solve for x
x = 38,593,818,991,554,872/227,403,535.76 - Step 6: Final answer
x = 169,715,122.78
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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.