Home / 78,436,231.39-117,668,712.12-32,352,961.47

Finding the Fourth Proportional to 78,436,231.39, 117,668,712.12 and 32,352,961.47

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Solution

The fourth proportional to 78,436,231.39, 117,668,712.12 and 32,352,961.47 is: 48,535,367.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,436,231.39 : 117,668,712.12 = 32,352,961.47 : x
  2. Step 2: Convert to fraction form
    78,436,231.39/117,668,712.12 = 32,352,961.47/x
  3. Step 3: Cross multiply
    78,436,231.39x = 117,668,712.12 × 32,352,961.47
  4. Step 4: Simplify right side
    78,436,231.39x = 3,806,931,309,442,882
  5. Step 5: Solve for x
    x = 3,806,931,309,442,882/78,436,231.39
  6. Step 6: Final answer
    x = 48,535,367.42

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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.