Home / 218,522,987.20-327,784,480.80-56,964,923.20

Finding the Fourth Proportional to 218,522,987.20, 327,784,480.80 and 56,964,923.20

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Solution

The fourth proportional to 218,522,987.20, 327,784,480.80 and 56,964,923.20 is: 85,447,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,522,987.20 : 327,784,480.80 = 56,964,923.20 : x
  2. Step 2: Convert to fraction form
    218,522,987.20/327,784,480.80 = 56,964,923.20/x
  3. Step 3: Cross multiply
    218,522,987.20x = 327,784,480.80 × 56,964,923.20
  4. Step 4: Simplify right side
    218,522,987.20x = 18,672,217,774,923,876
  5. Step 5: Solve for x
    x = 18,672,217,774,923,876/218,522,987.20
  6. Step 6: Final answer
    x = 85,447,384.80

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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.