Home / 78,436,209.62-117,668,679.46-32,352,939.71

Finding the Fourth Proportional to 78,436,209.62, 117,668,679.46 and 32,352,939.71

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Solution

The fourth proportional to 78,436,209.62, 117,668,679.46 and 32,352,939.71 is: 48,535,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,436,209.62 : 117,668,679.46 = 32,352,939.71 : x
  2. Step 2: Convert to fraction form
    78,436,209.62/117,668,679.46 = 32,352,939.71/x
  3. Step 3: Cross multiply
    78,436,209.62x = 117,668,679.46 × 32,352,939.71
  4. Step 4: Simplify right side
    78,436,209.62x = 3,806,927,692,498,878.50
  5. Step 5: Solve for x
    x = 3,806,927,692,498,878.50/78,436,209.62
  6. Step 6: Final answer
    x = 48,535,334.78

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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.