Home / 231,150,199.66-318,987,701.85-125,303,287.66

Finding the Fourth Proportional to 231,150,199.66, 318,987,701.85 and 125,303,287.66

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Solution

The fourth proportional to 231,150,199.66, 318,987,701.85 and 125,303,287.66 is: 172,918,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,150,199.66 : 318,987,701.85 = 125,303,287.66 : x
  2. Step 2: Convert to fraction form
    231,150,199.66/318,987,701.85 = 125,303,287.66/x
  3. Step 3: Cross multiply
    231,150,199.66x = 318,987,701.85 × 125,303,287.66
  4. Step 4: Simplify right side
    231,150,199.66x = 39,970,207,764,912,864
  5. Step 5: Solve for x
    x = 39,970,207,764,912,864/231,150,199.66
  6. Step 6: Final answer
    x = 172,918,768.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.