Home / 80,882,677.20-121,324,015.80-61,750,801.20

Finding the Fourth Proportional to 80,882,677.20, 121,324,015.80 and 61,750,801.20

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Solution

The fourth proportional to 80,882,677.20, 121,324,015.80 and 61,750,801.20 is: 92,626,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,882,677.20 : 121,324,015.80 = 61,750,801.20 : x
  2. Step 2: Convert to fraction form
    80,882,677.20/121,324,015.80 = 61,750,801.20/x
  3. Step 3: Cross multiply
    80,882,677.20x = 121,324,015.80 × 61,750,801.20
  4. Step 4: Simplify right side
    80,882,677.20x = 7,491,855,180,451,459
  5. Step 5: Solve for x
    x = 7,491,855,180,451,459/80,882,677.20
  6. Step 6: Final answer
    x = 92,626,201.80

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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.