Home / 215,629,819.20-323,224,279.20-106,286,817.60

Finding the Fourth Proportional to 215,629,819.20, 323,224,279.20 and 106,286,817.60

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Solution

The fourth proportional to 215,629,819.20, 323,224,279.20 and 106,286,817.60 is: 159,321,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,629,819.20 : 323,224,279.20 = 106,286,817.60 : x
  2. Step 2: Convert to fraction form
    215,629,819.20/323,224,279.20 = 106,286,817.60/x
  3. Step 3: Cross multiply
    215,629,819.20x = 323,224,279.20 × 106,286,817.60
  4. Step 4: Simplify right side
    215,629,819.20x = 34,354,480,007,221,872
  5. Step 5: Solve for x
    x = 34,354,480,007,221,872/215,629,819.20
  6. Step 6: Final answer
    x = 159,321,563.85

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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.