Home / 218,361,738.60-327,542,607.90-198,206,346.60

Finding the Fourth Proportional to 218,361,738.60, 327,542,607.90 and 198,206,346.60

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Solution

The fourth proportional to 218,361,738.60, 327,542,607.90 and 198,206,346.60 is: 297,309,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,361,738.60 : 327,542,607.90 = 198,206,346.60 : x
  2. Step 2: Convert to fraction form
    218,361,738.60/327,542,607.90 = 198,206,346.60/x
  3. Step 3: Cross multiply
    218,361,738.60x = 327,542,607.90 × 198,206,346.60
  4. Step 4: Simplify right side
    218,361,738.60x = 64,921,023,667,695,288
  5. Step 5: Solve for x
    x = 64,921,023,667,695,288/218,361,738.60
  6. Step 6: Final answer
    x = 297,309,519.90

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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.