Home / 80,869,239.28-121,180,423.80-48,015,111.73

Finding the Fourth Proportional to 80,869,239.28, 121,180,423.80 and 48,015,111.73

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Solution

The fourth proportional to 80,869,239.28, 121,180,423.80 and 48,015,111.73 is: 71,949,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,869,239.28 : 121,180,423.80 = 48,015,111.73 : x
  2. Step 2: Convert to fraction form
    80,869,239.28/121,180,423.80 = 48,015,111.73/x
  3. Step 3: Cross multiply
    80,869,239.28x = 121,180,423.80 × 48,015,111.73
  4. Step 4: Simplify right side
    80,869,239.28x = 5,818,491,588,245,751
  5. Step 5: Solve for x
    x = 5,818,491,588,245,751/80,869,239.28
  6. Step 6: Final answer
    x = 71,949,379.52

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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.