Home / 111,324,279.20-166,986,418.80-53,844,087.20

Finding the Fourth Proportional to 111,324,279.20, 166,986,418.80 and 53,844,087.20

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Solution

The fourth proportional to 111,324,279.20, 166,986,418.80 and 53,844,087.20 is: 80,766,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,324,279.20 : 166,986,418.80 = 53,844,087.20 : x
  2. Step 2: Convert to fraction form
    111,324,279.20/166,986,418.80 = 53,844,087.20/x
  3. Step 3: Cross multiply
    111,324,279.20x = 166,986,418.80 × 53,844,087.20
  4. Step 4: Simplify right side
    111,324,279.20x = 8,991,231,295,082,920
  5. Step 5: Solve for x
    x = 8,991,231,295,082,920/111,324,279.20
  6. Step 6: Final answer
    x = 80,766,130.80

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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.