Home / 168,003,757.20-252,005,635.80-122,087,254.80

Finding the Fourth Proportional to 168,003,757.20, 252,005,635.80 and 122,087,254.80

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Solution

The fourth proportional to 168,003,757.20, 252,005,635.80 and 122,087,254.80 is: 183,130,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,003,757.20 : 252,005,635.80 = 122,087,254.80 : x
  2. Step 2: Convert to fraction form
    168,003,757.20/252,005,635.80 = 122,087,254.80/x
  3. Step 3: Cross multiply
    168,003,757.20x = 252,005,635.80 × 122,087,254.80
  4. Step 4: Simplify right side
    168,003,757.20x = 30,766,676,268,950,604
  5. Step 5: Solve for x
    x = 30,766,676,268,950,604/168,003,757.20
  6. Step 6: Final answer
    x = 183,130,882.20

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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.