Home / 88,367,396.40-132,489,470.40-39,156,484.68

Finding the Fourth Proportional to 88,367,396.40, 132,489,470.40 and 39,156,484.68

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Solution

The fourth proportional to 88,367,396.40, 132,489,470.40 and 39,156,484.68 is: 58,707,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,367,396.40 : 132,489,470.40 = 39,156,484.68 : x
  2. Step 2: Convert to fraction form
    88,367,396.40/132,489,470.40 = 39,156,484.68/x
  3. Step 3: Cross multiply
    88,367,396.40x = 132,489,470.40 × 39,156,484.68
  4. Step 4: Simplify right side
    88,367,396.40x = 5,187,821,917,978,914
  5. Step 5: Solve for x
    x = 5,187,821,917,978,914/88,367,396.40
  6. Step 6: Final answer
    x = 58,707,420.72

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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.