Home / 214,860,859.20-322,291,288.80-71,253,691.20

Finding the Fourth Proportional to 214,860,859.20, 322,291,288.80 and 71,253,691.20

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Solution

The fourth proportional to 214,860,859.20, 322,291,288.80 and 71,253,691.20 is: 106,880,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,860,859.20 : 322,291,288.80 = 71,253,691.20 : x
  2. Step 2: Convert to fraction form
    214,860,859.20/322,291,288.80 = 71,253,691.20/x
  3. Step 3: Cross multiply
    214,860,859.20x = 322,291,288.80 × 71,253,691.20
  4. Step 4: Simplify right side
    214,860,859.20x = 22,964,443,968,605,220
  5. Step 5: Solve for x
    x = 22,964,443,968,605,220/214,860,859.20
  6. Step 6: Final answer
    x = 106,880,536.80

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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.