Finding the Fourth Proportional to 252,331,013.24, 348,202,269.97 and 140,813,101.65
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Solution
The fourth proportional to 252,331,013.24, 348,202,269.97 and 140,813,101.65 is: 194,313,972.77
Step by Step Solution
- Step 1: Write the proportion equation
252,331,013.24 : 348,202,269.97 = 140,813,101.65 : x - Step 2: Convert to fraction form
252,331,013.24/348,202,269.97 = 140,813,101.65/x - Step 3: Cross multiply
252,331,013.24x = 348,202,269.97 × 140,813,101.65 - Step 4: Simplify right side
252,331,013.24x = 49,031,441,635,694,320 - Step 5: Solve for x
x = 49,031,441,635,694,320/252,331,013.24 - Step 6: Final answer
x = 194,313,972.77
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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.