Home / 139,752,469.40-209,628,704.10-88,860,104.60

Finding the Fourth Proportional to 139,752,469.40, 209,628,704.10 and 88,860,104.60

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Solution

The fourth proportional to 139,752,469.40, 209,628,704.10 and 88,860,104.60 is: 133,290,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,752,469.40 : 209,628,704.10 = 88,860,104.60 : x
  2. Step 2: Convert to fraction form
    139,752,469.40/209,628,704.10 = 88,860,104.60/x
  3. Step 3: Cross multiply
    139,752,469.40x = 209,628,704.10 × 88,860,104.60
  4. Step 4: Simplify right side
    139,752,469.40x = 18,627,628,573,488,448
  5. Step 5: Solve for x
    x = 18,627,628,573,488,448/139,752,469.40
  6. Step 6: Final answer
    x = 133,290,156.90

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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.