Home / 113,206,408.20-169,809,612.30-112,198,638.60

Finding the Fourth Proportional to 113,206,408.20, 169,809,612.30 and 112,198,638.60

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Solution

The fourth proportional to 113,206,408.20, 169,809,612.30 and 112,198,638.60 is: 168,297,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,206,408.20 : 169,809,612.30 = 112,198,638.60 : x
  2. Step 2: Convert to fraction form
    113,206,408.20/169,809,612.30 = 112,198,638.60/x
  3. Step 3: Cross multiply
    113,206,408.20x = 169,809,612.30 × 112,198,638.60
  4. Step 4: Simplify right side
    113,206,408.20x = 19,052,407,321,253,816
  5. Step 5: Solve for x
    x = 19,052,407,321,253,816/113,206,408.20
  6. Step 6: Final answer
    x = 168,297,957.90

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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.