Home / 137,932,099.92-206,664,019.20-83,229,747.84

Finding the Fourth Proportional to 137,932,099.92, 206,664,019.20 and 83,229,747.84

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Solution

The fourth proportional to 137,932,099.92, 206,664,019.20 and 83,229,747.84 is: 124,703,344.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,932,099.92 : 206,664,019.20 = 83,229,747.84 : x
  2. Step 2: Convert to fraction form
    137,932,099.92/206,664,019.20 = 83,229,747.84/x
  3. Step 3: Cross multiply
    137,932,099.92x = 206,664,019.20 × 83,229,747.84
  4. Step 4: Simplify right side
    137,932,099.92x = 17,200,594,205,616,918
  5. Step 5: Solve for x
    x = 17,200,594,205,616,918/137,932,099.92
  6. Step 6: Final answer
    x = 124,703,344.73

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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.