Home / 81,179,074.28-112,035,472.25-49,391,500.55

Finding the Fourth Proportional to 81,179,074.28, 112,035,472.25 and 49,391,500.55

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Solution

The fourth proportional to 81,179,074.28, 112,035,472.25 and 49,391,500.55 is: 68,165,350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,179,074.28 : 112,035,472.25 = 49,391,500.55 : x
  2. Step 2: Convert to fraction form
    81,179,074.28/112,035,472.25 = 49,391,500.55/x
  3. Step 3: Cross multiply
    81,179,074.28x = 112,035,472.25 × 49,391,500.55
  4. Step 4: Simplify right side
    81,179,074.28x = 5,533,600,088,851,817
  5. Step 5: Solve for x
    x = 5,533,600,088,851,817/81,179,074.28
  6. Step 6: Final answer
    x = 68,165,350.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.