Home / 252,135,489.80-378,203,234.70-154,775,498.60

Finding the Fourth Proportional to 252,135,489.80, 378,203,234.70 and 154,775,498.60

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Solution

The fourth proportional to 252,135,489.80, 378,203,234.70 and 154,775,498.60 is: 232,163,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,135,489.80 : 378,203,234.70 = 154,775,498.60 : x
  2. Step 2: Convert to fraction form
    252,135,489.80/378,203,234.70 = 154,775,498.60/x
  3. Step 3: Cross multiply
    252,135,489.80x = 378,203,234.70 × 154,775,498.60
  4. Step 4: Simplify right side
    252,135,489.80x = 58,536,594,222,825,320
  5. Step 5: Solve for x
    x = 58,536,594,222,825,320/252,135,489.80
  6. Step 6: Final answer
    x = 232,163,247.90

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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.