Home / 71,542,511.20-107,327,763.60-30,601,871.20

Finding the Fourth Proportional to 71,542,511.20, 107,327,763.60 and 30,601,871.20

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Solution

The fourth proportional to 71,542,511.20, 107,327,763.60 and 30,601,871.20 is: 45,908,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,542,511.20 : 107,327,763.60 = 30,601,871.20 : x
  2. Step 2: Convert to fraction form
    71,542,511.20/107,327,763.60 = 30,601,871.20/x
  3. Step 3: Cross multiply
    71,542,511.20x = 107,327,763.60 × 30,601,871.20
  4. Step 4: Simplify right side
    71,542,511.20x = 3,284,430,397,871,248
  5. Step 5: Solve for x
    x = 3,284,430,397,871,248/71,542,511.20
  6. Step 6: Final answer
    x = 45,908,793.85

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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.