Home / 137,856,942.90-206,785,414.35-122,790,590.55

Finding the Fourth Proportional to 137,856,942.90, 206,785,414.35 and 122,790,590.55

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Solution

The fourth proportional to 137,856,942.90, 206,785,414.35 and 122,790,590.55 is: 184,185,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,856,942.90 : 206,785,414.35 = 122,790,590.55 : x
  2. Step 2: Convert to fraction form
    137,856,942.90/206,785,414.35 = 122,790,590.55/x
  3. Step 3: Cross multiply
    137,856,942.90x = 206,785,414.35 × 122,790,590.55
  4. Step 4: Simplify right side
    137,856,942.90x = 25,391,303,145,162,944
  5. Step 5: Solve for x
    x = 25,391,303,145,162,944/137,856,942.90
  6. Step 6: Final answer
    x = 184,185,885.83

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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.