Home / 276,957,007.20-415,099,587.60-123,440,104.80

Finding the Fourth Proportional to 276,957,007.20, 415,099,587.60 and 123,440,104.80

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Solution

The fourth proportional to 276,957,007.20, 415,099,587.60 and 123,440,104.80 is: 185,010,435.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,957,007.20 : 415,099,587.60 = 123,440,104.80 : x
  2. Step 2: Convert to fraction form
    276,957,007.20/415,099,587.60 = 123,440,104.80/x
  3. Step 3: Cross multiply
    276,957,007.20x = 415,099,587.60 × 123,440,104.80
  4. Step 4: Simplify right side
    276,957,007.20x = 51,239,936,595,780,784
  5. Step 5: Solve for x
    x = 51,239,936,595,780,784/276,957,007.20
  6. Step 6: Final answer
    x = 185,010,435.78

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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.