Home / 252,279,074.80-378,418,612.20-150,242,402.80

Finding the Fourth Proportional to 252,279,074.80, 378,418,612.20 and 150,242,402.80

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Solution

The fourth proportional to 252,279,074.80, 378,418,612.20 and 150,242,402.80 is: 225,363,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,279,074.80 : 378,418,612.20 = 150,242,402.80 : x
  2. Step 2: Convert to fraction form
    252,279,074.80/378,418,612.20 = 150,242,402.80/x
  3. Step 3: Cross multiply
    252,279,074.80x = 378,418,612.20 × 150,242,402.80
  4. Step 4: Simplify right side
    252,279,074.80x = 56,854,521,561,169,400
  5. Step 5: Solve for x
    x = 56,854,521,561,169,400/252,279,074.80
  6. Step 6: Final answer
    x = 225,363,604.20

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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.