Home / 111,978,864.20-167,943,089.10-40,175,280.20

Finding the Fourth Proportional to 111,978,864.20, 167,943,089.10 and 40,175,280.20

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Solution

The fourth proportional to 111,978,864.20, 167,943,089.10 and 40,175,280.20 is: 60,253,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,978,864.20 : 167,943,089.10 = 40,175,280.20 : x
  2. Step 2: Convert to fraction form
    111,978,864.20/167,943,089.10 = 40,175,280.20/x
  3. Step 3: Cross multiply
    111,978,864.20x = 167,943,089.10 × 40,175,280.20
  4. Step 4: Simplify right side
    111,978,864.20x = 6,747,160,662,246,066
  5. Step 5: Solve for x
    x = 6,747,160,662,246,066/111,978,864.20
  6. Step 6: Final answer
    x = 60,253,876.57

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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.