Home / 123,680,439.15-185,520,553.14-31,564,169.84

Finding the Fourth Proportional to 123,680,439.15, 185,520,553.14 and 31,564,169.84

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Solution

The fourth proportional to 123,680,439.15, 185,520,553.14 and 31,564,169.84 is: 47,346,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,680,439.15 : 185,520,553.14 = 31,564,169.84 : x
  2. Step 2: Convert to fraction form
    123,680,439.15/185,520,553.14 = 31,564,169.84/x
  3. Step 3: Cross multiply
    123,680,439.15x = 185,520,553.14 × 31,564,169.84
  4. Step 4: Simplify right side
    123,680,439.15x = 5,855,802,248,090,397
  5. Step 5: Solve for x
    x = 5,855,802,248,090,397/123,680,439.15
  6. Step 6: Final answer
    x = 47,346,227.81

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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.