Finding the Fourth Proportional to 53,152,710.38, 73,349,134.17 and 29,310,324.80
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Solution
The fourth proportional to 53,152,710.38, 73,349,134.17 and 29,310,324.80 is: 40,447,362.52
Step by Step Solution
- Step 1: Write the proportion equation
53,152,710.38 : 73,349,134.17 = 29,310,324.80 : x - Step 2: Convert to fraction form
53,152,710.38/73,349,134.17 = 29,310,324.80/x - Step 3: Cross multiply
53,152,710.38x = 73,349,134.17 × 29,310,324.80 - Step 4: Simplify right side
53,152,710.38x = 2,149,886,945,844,819.25 - Step 5: Solve for x
x = 2,149,886,945,844,819.25/53,152,710.38 - Step 6: Final answer
x = 40,447,362.52
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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.