Home / 252,375,212.80-378,352,867.20-106,920,467.20

Finding the Fourth Proportional to 252,375,212.80, 378,352,867.20 and 106,920,467.20

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Solution

The fourth proportional to 252,375,212.80, 378,352,867.20 and 106,920,467.20 is: 160,291,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,375,212.80 : 378,352,867.20 = 106,920,467.20 : x
  2. Step 2: Convert to fraction form
    252,375,212.80/378,352,867.20 = 106,920,467.20/x
  3. Step 3: Cross multiply
    252,375,212.80x = 378,352,867.20 × 106,920,467.20
  4. Step 4: Simplify right side
    252,375,212.80x = 40,453,665,327,483,552
  5. Step 5: Solve for x
    x = 40,453,665,327,483,552/252,375,212.80
  6. Step 6: Final answer
    x = 160,291,753.21

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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.