Home / 137,957,874.60-206,760,977.10-73,292,658.60

Finding the Fourth Proportional to 137,957,874.60, 206,760,977.10 and 73,292,658.60

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Solution

The fourth proportional to 137,957,874.60, 206,760,977.10 and 73,292,658.60 is: 109,845,572.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,957,874.60 : 206,760,977.10 = 73,292,658.60 : x
  2. Step 2: Convert to fraction form
    137,957,874.60/206,760,977.10 = 73,292,658.60/x
  3. Step 3: Cross multiply
    137,957,874.60x = 206,760,977.10 × 73,292,658.60
  4. Step 4: Simplify right side
    137,957,874.60x = 15,154,061,706,392,716
  5. Step 5: Solve for x
    x = 15,154,061,706,392,716/137,957,874.60
  6. Step 6: Final answer
    x = 109,845,572.43

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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.