Finding the Fourth Proportional to 240,586,039.71, 331,951,829.28 and 136,164,107.97
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Solution
The fourth proportional to 240,586,039.71, 331,951,829.28 and 136,164,107.97 is: 187,874,262.27
Step by Step Solution
- Step 1: Write the proportion equation
240,586,039.71 : 331,951,829.28 = 136,164,107.97 : x - Step 2: Convert to fraction form
240,586,039.71/331,951,829.28 = 136,164,107.97/x - Step 3: Cross multiply
240,586,039.71x = 331,951,829.28 × 136,164,107.97 - Step 4: Simplify right side
240,586,039.71x = 45,199,924,722,920,920 - Step 5: Solve for x
x = 45,199,924,722,920,920/240,586,039.71 - Step 6: Final answer
x = 187,874,262.27
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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.