Home / 124,940,021.10-187,427,469.45-52,140,114.30

Finding the Fourth Proportional to 124,940,021.10, 187,427,469.45 and 52,140,114.30

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Solution

The fourth proportional to 124,940,021.10, 187,427,469.45 and 52,140,114.30 is: 78,217,448.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,940,021.10 : 187,427,469.45 = 52,140,114.30 : x
  2. Step 2: Convert to fraction form
    124,940,021.10/187,427,469.45 = 52,140,114.30/x
  3. Step 3: Cross multiply
    124,940,021.10x = 187,427,469.45 × 52,140,114.30
  4. Step 4: Simplify right side
    124,940,021.10x = 9,772,489,680,082,756
  5. Step 5: Solve for x
    x = 9,772,489,680,082,756/124,940,021.10
  6. Step 6: Final answer
    x = 78,217,448.61

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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.