Home / 327,489,751.20-491,234,626.80-109,147,216.35

Finding the Fourth Proportional to 327,489,751.20, 491,234,626.80 and 109,147,216.35

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Solution

The fourth proportional to 327,489,751.20, 491,234,626.80 and 109,147,216.35 is: 163,720,824.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,489,751.20 : 491,234,626.80 = 109,147,216.35 : x
  2. Step 2: Convert to fraction form
    327,489,751.20/491,234,626.80 = 109,147,216.35/x
  3. Step 3: Cross multiply
    327,489,751.20x = 491,234,626.80 × 109,147,216.35
  4. Step 4: Simplify right side
    327,489,751.20x = 53,616,892,089,951,104
  5. Step 5: Solve for x
    x = 53,616,892,089,951,104/327,489,751.20
  6. Step 6: Final answer
    x = 163,720,824.53

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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.