Home / 80,741,817.40-121,114,441.66-28,929,794.84

Finding the Fourth Proportional to 80,741,817.40, 121,114,441.66 and 28,929,794.84

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Solution

The fourth proportional to 80,741,817.40, 121,114,441.66 and 28,929,794.84 is: 43,395,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,741,817.40 : 121,114,441.66 = 28,929,794.84 : x
  2. Step 2: Convert to fraction form
    80,741,817.40/121,114,441.66 = 28,929,794.84/x
  3. Step 3: Cross multiply
    80,741,817.40x = 121,114,441.66 × 28,929,794.84
  4. Step 4: Simplify right side
    80,741,817.40x = 3,503,815,949,384,949
  5. Step 5: Solve for x
    x = 3,503,815,949,384,949/80,741,817.40
  6. Step 6: Final answer
    x = 43,395,306.95

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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.