Home / 112,131,447.70-168,197,171.55-110,619,793.30

Finding the Fourth Proportional to 112,131,447.70, 168,197,171.55 and 110,619,793.30

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Solution

The fourth proportional to 112,131,447.70, 168,197,171.55 and 110,619,793.30 is: 165,929,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,131,447.70 : 168,197,171.55 = 110,619,793.30 : x
  2. Step 2: Convert to fraction form
    112,131,447.70/168,197,171.55 = 110,619,793.30/x
  3. Step 3: Cross multiply
    112,131,447.70x = 168,197,171.55 × 110,619,793.30
  4. Step 4: Simplify right side
    112,131,447.70x = 18,605,936,350,505,640
  5. Step 5: Solve for x
    x = 18,605,936,350,505,640/112,131,447.70
  6. Step 6: Final answer
    x = 165,929,689.95

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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.