Home / 168,185,786.20-252,278,679.30-122,836,154.20

Finding the Fourth Proportional to 168,185,786.20, 252,278,679.30 and 122,836,154.20

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Solution

The fourth proportional to 168,185,786.20, 252,278,679.30 and 122,836,154.20 is: 184,254,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,185,786.20 : 252,278,679.30 = 122,836,154.20 : x
  2. Step 2: Convert to fraction form
    168,185,786.20/252,278,679.30 = 122,836,154.20/x
  3. Step 3: Cross multiply
    168,185,786.20x = 252,278,679.30 × 122,836,154.20
  4. Step 4: Simplify right side
    168,185,786.20x = 30,988,942,751,867,152
  5. Step 5: Solve for x
    x = 30,988,942,751,867,152/168,185,786.20
  6. Step 6: Final answer
    x = 184,254,231.30

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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.