Home / 327,413,560.80-491,188,575.60-109,131,715.20

Finding the Fourth Proportional to 327,413,560.80, 491,188,575.60 and 109,131,715.20

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Solution

The fourth proportional to 327,413,560.80, 491,188,575.60 and 109,131,715.20 is: 163,720,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,413,560.80 : 491,188,575.60 = 109,131,715.20 : x
  2. Step 2: Convert to fraction form
    327,413,560.80/491,188,575.60 = 109,131,715.20/x
  3. Step 3: Cross multiply
    327,413,560.80x = 491,188,575.60 × 109,131,715.20
  4. Step 4: Simplify right side
    327,413,560.80x = 53,604,251,741,872,872
  5. Step 5: Solve for x
    x = 53,604,251,741,872,872/327,413,560.80
  6. Step 6: Final answer
    x = 163,720,316.32

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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.