Home / 260,647,677.80-391,113,234.30-107,309,234.60

Finding the Fourth Proportional to 260,647,677.80, 391,113,234.30 and 107,309,234.60

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Solution

The fourth proportional to 260,647,677.80, 391,113,234.30 and 107,309,234.60 is: 161,022,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,647,677.80 : 391,113,234.30 = 107,309,234.60 : x
  2. Step 2: Convert to fraction form
    260,647,677.80/391,113,234.30 = 107,309,234.60/x
  3. Step 3: Cross multiply
    260,647,677.80x = 391,113,234.30 × 107,309,234.60
  4. Step 4: Simplify right side
    260,647,677.80x = 41,970,061,814,663,464
  5. Step 5: Solve for x
    x = 41,970,061,814,663,464/260,647,677.80
  6. Step 6: Final answer
    x = 161,022,197.35

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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.