Home / 140,092,390.80-210,138,586.20-75,522,309.30

Finding the Fourth Proportional to 140,092,390.80, 210,138,586.20 and 75,522,309.30

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Solution

The fourth proportional to 140,092,390.80, 210,138,586.20 and 75,522,309.30 is: 113,283,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,092,390.80 : 210,138,586.20 = 75,522,309.30 : x
  2. Step 2: Convert to fraction form
    140,092,390.80/210,138,586.20 = 75,522,309.30/x
  3. Step 3: Cross multiply
    140,092,390.80x = 210,138,586.20 × 75,522,309.30
  4. Step 4: Simplify right side
    140,092,390.80x = 15,870,151,302,861,110
  5. Step 5: Solve for x
    x = 15,870,151,302,861,110/140,092,390.80
  6. Step 6: Final answer
    x = 113,283,463.95

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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.