Home / 111,978,687.20-167,942,823.60-40,175,103.20

Finding the Fourth Proportional to 111,978,687.20, 167,942,823.60 and 40,175,103.20

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Solution

The fourth proportional to 111,978,687.20, 167,942,823.60 and 40,175,103.20 is: 60,253,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,978,687.20 : 167,942,823.60 = 40,175,103.20 : x
  2. Step 2: Convert to fraction form
    111,978,687.20/167,942,823.60 = 40,175,103.20/x
  3. Step 3: Cross multiply
    111,978,687.20x = 167,942,823.60 × 40,175,103.20
  4. Step 4: Simplify right side
    111,978,687.20x = 6,747,120,269,829,396
  5. Step 5: Solve for x
    x = 6,747,120,269,829,396/111,978,687.20
  6. Step 6: Final answer
    x = 60,253,611.10

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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.