Home / 74,846,098.20-112,269,147.30-69,247,378.20

Finding the Fourth Proportional to 74,846,098.20, 112,269,147.30 and 69,247,378.20

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Solution

The fourth proportional to 74,846,098.20, 112,269,147.30 and 69,247,378.20 is: 103,871,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,846,098.20 : 112,269,147.30 = 69,247,378.20 : x
  2. Step 2: Convert to fraction form
    74,846,098.20/112,269,147.30 = 69,247,378.20/x
  3. Step 3: Cross multiply
    74,846,098.20x = 112,269,147.30 × 69,247,378.20
  4. Step 4: Simplify right side
    74,846,098.20x = 7,774,344,103,274,609
  5. Step 5: Solve for x
    x = 7,774,344,103,274,609/74,846,098.20
  6. Step 6: Final answer
    x = 103,871,067.30

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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.