Home / 252,045,322.20-378,067,983.30-221,812,234.20

Finding the Fourth Proportional to 252,045,322.20, 378,067,983.30 and 221,812,234.20

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Solution

The fourth proportional to 252,045,322.20, 378,067,983.30 and 221,812,234.20 is: 332,718,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,045,322.20 : 378,067,983.30 = 221,812,234.20 : x
  2. Step 2: Convert to fraction form
    252,045,322.20/378,067,983.30 = 221,812,234.20/x
  3. Step 3: Cross multiply
    252,045,322.20x = 378,067,983.30 × 221,812,234.20
  4. Step 4: Simplify right side
    252,045,322.20x = 83,860,104,055,261,280
  5. Step 5: Solve for x
    x = 83,860,104,055,261,280/252,045,322.20
  6. Step 6: Final answer
    x = 332,718,351.30

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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.