Home / 218,277,540.20-327,461,799.90-72,756,309.80

Finding the Fourth Proportional to 218,277,540.20, 327,461,799.90 and 72,756,309.80

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Solution

The fourth proportional to 218,277,540.20, 327,461,799.90 and 72,756,309.80 is: 109,149,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,277,540.20 : 327,461,799.90 = 72,756,309.80 : x
  2. Step 2: Convert to fraction form
    218,277,540.20/327,461,799.90 = 72,756,309.80/x
  3. Step 3: Cross multiply
    218,277,540.20x = 327,461,799.90 × 72,756,309.80
  4. Step 4: Simplify right side
    218,277,540.20x = 23,824,912,161,190,008
  5. Step 5: Solve for x
    x = 23,824,912,161,190,008/218,277,540.20
  6. Step 6: Final answer
    x = 109,149,627.30

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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.