Home / 111,978,658.70-167,942,780.85-40,175,074.70

Finding the Fourth Proportional to 111,978,658.70, 167,942,780.85 and 40,175,074.70

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Solution

The fourth proportional to 111,978,658.70, 167,942,780.85 and 40,175,074.70 is: 60,253,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,978,658.70 : 167,942,780.85 = 40,175,074.70 : x
  2. Step 2: Convert to fraction form
    111,978,658.70/167,942,780.85 = 40,175,074.70/x
  3. Step 3: Cross multiply
    111,978,658.70x = 167,942,780.85 × 40,175,074.70
  4. Step 4: Simplify right side
    111,978,658.70x = 6,747,113,765,974,480
  5. Step 5: Solve for x
    x = 6,747,113,765,974,480/111,978,658.70
  6. Step 6: Final answer
    x = 60,253,568.35

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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.