Home / 122,166,920.20-183,250,380.30-100,643,559.70

Finding the Fourth Proportional to 122,166,920.20, 183,250,380.30 and 100,643,559.70

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Solution

The fourth proportional to 122,166,920.20, 183,250,380.30 and 100,643,559.70 is: 150,965,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,166,920.20 : 183,250,380.30 = 100,643,559.70 : x
  2. Step 2: Convert to fraction form
    122,166,920.20/183,250,380.30 = 100,643,559.70/x
  3. Step 3: Cross multiply
    122,166,920.20x = 183,250,380.30 × 100,643,559.70
  4. Step 4: Simplify right side
    122,166,920.20x = 18,442,970,589,770,756
  5. Step 5: Solve for x
    x = 18,442,970,589,770,756/122,166,920.20
  6. Step 6: Final answer
    x = 150,965,339.55

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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.