Home / 327,890,899.20-492,025,305.60-123,565,612.80

Finding the Fourth Proportional to 327,890,899.20, 492,025,305.60 and 123,565,612.80

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Solution

The fourth proportional to 327,890,899.20, 492,025,305.60 and 123,565,612.80 is: 185,419,627.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,890,899.20 : 492,025,305.60 = 123,565,612.80 : x
  2. Step 2: Convert to fraction form
    327,890,899.20/492,025,305.60 = 123,565,612.80/x
  3. Step 3: Cross multiply
    327,890,899.20x = 492,025,305.60 × 123,565,612.80
  4. Step 4: Simplify right side
    327,890,899.20x = 60,797,408,399,571,272
  5. Step 5: Solve for x
    x = 60,797,408,399,571,272/327,890,899.20
  6. Step 6: Final answer
    x = 185,419,627.53

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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.