Home / 49,389,238.60-74,091,731.10-20,620,565.80

Finding the Fourth Proportional to 49,389,238.60, 74,091,731.10 and 20,620,565.80

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Solution

The fourth proportional to 49,389,238.60, 74,091,731.10 and 20,620,565.80 is: 30,934,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,389,238.60 : 74,091,731.10 = 20,620,565.80 : x
  2. Step 2: Convert to fraction form
    49,389,238.60/74,091,731.10 = 20,620,565.80/x
  3. Step 3: Cross multiply
    49,389,238.60x = 74,091,731.10 × 20,620,565.80
  4. Step 4: Simplify right side
    49,389,238.60x = 1,527,813,416,383,456.25
  5. Step 5: Solve for x
    x = 1,527,813,416,383,456.25/49,389,238.60
  6. Step 6: Final answer
    x = 30,934,135.85

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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.