Home / 70,943,273.28-97,928,183.52-55,231,165.44

Finding the Fourth Proportional to 70,943,273.28, 97,928,183.52 and 55,231,165.44

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Solution

The fourth proportional to 70,943,273.28, 97,928,183.52 and 55,231,165.44 is: 76,239,613.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,943,273.28 : 97,928,183.52 = 55,231,165.44 : x
  2. Step 2: Convert to fraction form
    70,943,273.28/97,928,183.52 = 55,231,165.44/x
  3. Step 3: Cross multiply
    70,943,273.28x = 97,928,183.52 × 55,231,165.44
  4. Step 4: Simplify right side
    70,943,273.28x = 5,408,687,705,231,801
  5. Step 5: Solve for x
    x = 5,408,687,705,231,801/70,943,273.28
  6. Step 6: Final answer
    x = 76,239,613.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.