Home / 70,722,346.56-106,083,549.24-31,815,353.76

Finding the Fourth Proportional to 70,722,346.56, 106,083,549.24 and 31,815,353.76

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Solution

The fourth proportional to 70,722,346.56, 106,083,549.24 and 31,815,353.76 is: 47,723,043.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,722,346.56 : 106,083,549.24 = 31,815,353.76 : x
  2. Step 2: Convert to fraction form
    70,722,346.56/106,083,549.24 = 31,815,353.76/x
  3. Step 3: Cross multiply
    70,722,346.56x = 106,083,549.24 × 31,815,353.76
  4. Step 4: Simplify right side
    70,722,346.56x = 3,375,085,647,186,979
  5. Step 5: Solve for x
    x = 3,375,085,647,186,979/70,722,346.56
  6. Step 6: Final answer
    x = 47,723,043.87

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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.