Home / 81,046,432.80-121,569,649.20-24,312,736.80

Finding the Fourth Proportional to 81,046,432.80, 121,569,649.20 and 24,312,736.80

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Solution

The fourth proportional to 81,046,432.80, 121,569,649.20 and 24,312,736.80 is: 36,469,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,046,432.80 : 121,569,649.20 = 24,312,736.80 : x
  2. Step 2: Convert to fraction form
    81,046,432.80/121,569,649.20 = 24,312,736.80/x
  3. Step 3: Cross multiply
    81,046,432.80x = 121,569,649.20 × 24,312,736.80
  4. Step 4: Simplify right side
    81,046,432.80x = 2,955,690,883,867,930.50
  5. Step 5: Solve for x
    x = 2,955,690,883,867,930.50/81,046,432.80
  6. Step 6: Final answer
    x = 36,469,105.20

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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.