Home / 123,680,407.14-185,520,505.19-31,564,137.84

Finding the Fourth Proportional to 123,680,407.14, 185,520,505.19 and 31,564,137.84

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Solution

The fourth proportional to 123,680,407.14, 185,520,505.19 and 31,564,137.84 is: 47,346,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,680,407.14 : 185,520,505.19 = 31,564,137.84 : x
  2. Step 2: Convert to fraction form
    123,680,407.14/185,520,505.19 = 31,564,137.84/x
  3. Step 3: Cross multiply
    123,680,407.14x = 185,520,505.19 × 31,564,137.84
  4. Step 4: Simplify right side
    123,680,407.14x = 5,855,794,797,805,775
  5. Step 5: Solve for x
    x = 5,855,794,797,805,775/123,680,407.14
  6. Step 6: Final answer
    x = 47,346,179.83

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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.