Home / 92,367,007.20-138,517,851.60-31,768,639.20

Finding the Fourth Proportional to 92,367,007.20, 138,517,851.60 and 31,768,639.20

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Solution

The fourth proportional to 92,367,007.20, 138,517,851.60 and 31,768,639.20 is: 47,641,726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,367,007.20 : 138,517,851.60 = 31,768,639.20 : x
  2. Step 2: Convert to fraction form
    92,367,007.20/138,517,851.60 = 31,768,639.20/x
  3. Step 3: Cross multiply
    92,367,007.20x = 138,517,851.60 × 31,768,639.20
  4. Step 4: Simplify right side
    92,367,007.20x = 4,400,523,650,239,542.50
  5. Step 5: Solve for x
    x = 4,400,523,650,239,542.50/92,367,007.20
  6. Step 6: Final answer
    x = 47,641,726.02

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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.