Home / 67,289,506.86-100,876,689.17-25,820,142.53

Finding the Fourth Proportional to 67,289,506.86, 100,876,689.17 and 25,820,142.53

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Solution

The fourth proportional to 67,289,506.86, 100,876,689.17 and 25,820,142.53 is: 38,708,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,289,506.86 : 100,876,689.17 = 25,820,142.53 : x
  2. Step 2: Convert to fraction form
    67,289,506.86/100,876,689.17 = 25,820,142.53/x
  3. Step 3: Cross multiply
    67,289,506.86x = 100,876,689.17 × 25,820,142.53
  4. Step 4: Simplify right side
    67,289,506.86x = 2,604,650,491,787,248.50
  5. Step 5: Solve for x
    x = 2,604,650,491,787,248.50/67,289,506.86
  6. Step 6: Final answer
    x = 38,708,122.75

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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.