Home / 230,327,824.20-345,491,736.30-74,881,331.70

Finding the Fourth Proportional to 230,327,824.20, 345,491,736.30 and 74,881,331.70

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Solution

The fourth proportional to 230,327,824.20, 345,491,736.30 and 74,881,331.70 is: 112,321,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,327,824.20 : 345,491,736.30 = 74,881,331.70 : x
  2. Step 2: Convert to fraction form
    230,327,824.20/345,491,736.30 = 74,881,331.70/x
  3. Step 3: Cross multiply
    230,327,824.20x = 345,491,736.30 × 74,881,331.70
  4. Step 4: Simplify right side
    230,327,824.20x = 25,870,881,305,489,232
  5. Step 5: Solve for x
    x = 25,870,881,305,489,232/230,327,824.20
  6. Step 6: Final answer
    x = 112,321,997.55

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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.