Home / 260,355,989.48-359,267,517.86-154,491,161.90

Finding the Fourth Proportional to 260,355,989.48, 359,267,517.86 and 154,491,161.90

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Solution

The fourth proportional to 260,355,989.48, 359,267,517.86 and 154,491,161.90 is: 213,183,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,355,989.48 : 359,267,517.86 = 154,491,161.90 : x
  2. Step 2: Convert to fraction form
    260,355,989.48/359,267,517.86 = 154,491,161.90/x
  3. Step 3: Cross multiply
    260,355,989.48x = 359,267,517.86 × 154,491,161.90
  4. Step 4: Simplify right side
    260,355,989.48x = 55,503,656,267,120,408
  5. Step 5: Solve for x
    x = 55,503,656,267,120,408/260,355,989.48
  6. Step 6: Final answer
    x = 213,183,711.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.