Home / 203,474,898.60-305,231,010.30-67,160,581.80

Finding the Fourth Proportional to 203,474,898.60, 305,231,010.30 and 67,160,581.80

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Solution

The fourth proportional to 203,474,898.60, 305,231,010.30 and 67,160,581.80 is: 100,747,032.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,474,898.60 : 305,231,010.30 = 67,160,581.80 : x
  2. Step 2: Convert to fraction form
    203,474,898.60/305,231,010.30 = 67,160,581.80/x
  3. Step 3: Cross multiply
    203,474,898.60x = 305,231,010.30 × 67,160,581.80
  4. Step 4: Simplify right side
    203,474,898.60x = 20,499,492,235,149,792
  5. Step 5: Solve for x
    x = 20,499,492,235,149,792/203,474,898.60
  6. Step 6: Final answer
    x = 100,747,032.56

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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.