Home / 168,186,052.20-252,279,078.30-100,161,604.20

Finding the Fourth Proportional to 168,186,052.20, 252,279,078.30 and 100,161,604.20

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Solution

The fourth proportional to 168,186,052.20, 252,279,078.30 and 100,161,604.20 is: 150,242,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,186,052.20 : 252,279,078.30 = 100,161,604.20 : x
  2. Step 2: Convert to fraction form
    168,186,052.20/252,279,078.30 = 100,161,604.20/x
  3. Step 3: Cross multiply
    168,186,052.20x = 252,279,078.30 × 100,161,604.20
  4. Step 4: Simplify right side
    168,186,052.20x = 25,268,677,188,625,412
  5. Step 5: Solve for x
    x = 25,268,677,188,625,412/168,186,052.20
  6. Step 6: Final answer
    x = 150,242,406.30

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1.5x scale

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.