Home / 123,981,341.89-185,856,881.12-54,857,226.25

Finding the Fourth Proportional to 123,981,341.89, 185,856,881.12 and 54,857,226.25

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Solution

The fourth proportional to 123,981,341.89, 185,856,881.12 and 54,857,226.25 is: 82,234,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,981,341.89 : 185,856,881.12 = 54,857,226.25 : x
  2. Step 2: Convert to fraction form
    123,981,341.89/185,856,881.12 = 54,857,226.25/x
  3. Step 3: Cross multiply
    123,981,341.89x = 185,856,881.12 × 54,857,226.25
  4. Step 4: Simplify right side
    123,981,341.89x = 10,195,592,976,515,622
  5. Step 5: Solve for x
    x = 10,195,592,976,515,622/123,981,341.89
  6. Step 6: Final answer
    x = 82,234,897.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.