Home / 111,978,836.20-167,943,047.10-40,175,252.20

Finding the Fourth Proportional to 111,978,836.20, 167,943,047.10 and 40,175,252.20

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Solution

The fourth proportional to 111,978,836.20, 167,943,047.10 and 40,175,252.20 is: 60,253,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,978,836.20 : 167,943,047.10 = 40,175,252.20 : x
  2. Step 2: Convert to fraction form
    111,978,836.20/167,943,047.10 = 40,175,252.20/x
  3. Step 3: Cross multiply
    111,978,836.20x = 167,943,047.10 × 40,175,252.20
  4. Step 4: Simplify right side
    111,978,836.20x = 6,747,154,272,478,979
  5. Step 5: Solve for x
    x = 6,747,154,272,478,979/111,978,836.20
  6. Step 6: Final answer
    x = 60,253,834.58

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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.