Home / 66,757,507.20-100,136,260.80-40,929,474.60

Finding the Fourth Proportional to 66,757,507.20, 100,136,260.80 and 40,929,474.60

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Solution

The fourth proportional to 66,757,507.20, 100,136,260.80 and 40,929,474.60 is: 61,394,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,757,507.20 : 100,136,260.80 = 40,929,474.60 : x
  2. Step 2: Convert to fraction form
    66,757,507.20/100,136,260.80 = 40,929,474.60/x
  3. Step 3: Cross multiply
    66,757,507.20x = 100,136,260.80 × 40,929,474.60
  4. Step 4: Simplify right side
    66,757,507.20x = 4,098,524,542,952,575.50
  5. Step 5: Solve for x
    x = 4,098,524,542,952,575.50/66,757,507.20
  6. Step 6: Final answer
    x = 61,394,211.90

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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.