Home / 70,722,337.07-106,083,534.92-31,815,344.23

Finding the Fourth Proportional to 70,722,337.07, 106,083,534.92 and 31,815,344.23

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Solution

The fourth proportional to 70,722,337.07, 106,083,534.92 and 31,815,344.23 is: 47,723,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,722,337.07 : 106,083,534.92 = 31,815,344.23 : x
  2. Step 2: Convert to fraction form
    70,722,337.07/106,083,534.92 = 31,815,344.23/x
  3. Step 3: Cross multiply
    70,722,337.07x = 106,083,534.92 × 31,815,344.23
  4. Step 4: Simplify right side
    70,722,337.07x = 3,375,084,180,369,860
  5. Step 5: Solve for x
    x = 3,375,084,180,369,860/70,722,337.07
  6. Step 6: Final answer
    x = 47,723,029.53

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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.