Home / 217,469,176.20-326,203,764.30-120,723,294.60

Finding the Fourth Proportional to 217,469,176.20, 326,203,764.30 and 120,723,294.60

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Solution

The fourth proportional to 217,469,176.20, 326,203,764.30 and 120,723,294.60 is: 181,084,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,469,176.20 : 326,203,764.30 = 120,723,294.60 : x
  2. Step 2: Convert to fraction form
    217,469,176.20/326,203,764.30 = 120,723,294.60/x
  3. Step 3: Cross multiply
    217,469,176.20x = 326,203,764.30 × 120,723,294.60
  4. Step 4: Simplify right side
    217,469,176.20x = 39,380,393,137,217,864
  5. Step 5: Solve for x
    x = 39,380,393,137,217,864/217,469,176.20
  6. Step 6: Final answer
    x = 181,084,941.90

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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.