Home / 230,491,404.38-318,085,712.14-126,069,472.32

Finding the Fourth Proportional to 230,491,404.38, 318,085,712.14 and 126,069,472.32

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Solution

The fourth proportional to 230,491,404.38, 318,085,712.14 and 126,069,472.32 is: 173,980,014.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,491,404.38 : 318,085,712.14 = 126,069,472.32 : x
  2. Step 2: Convert to fraction form
    230,491,404.38/318,085,712.14 = 126,069,472.32/x
  3. Step 3: Cross multiply
    230,491,404.38x = 318,085,712.14 × 126,069,472.32
  4. Step 4: Simplify right side
    230,491,404.38x = 40,100,897,882,021,216
  5. Step 5: Solve for x
    x = 40,100,897,882,021,216/230,491,404.38
  6. Step 6: Final answer
    x = 173,980,014.53

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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.