Home / 260,957,800.80-391,436,701.20-107,524,879.20

Finding the Fourth Proportional to 260,957,800.80, 391,436,701.20 and 107,524,879.20

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Solution

The fourth proportional to 260,957,800.80, 391,436,701.20 and 107,524,879.20 is: 161,287,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,957,800.80 : 391,436,701.20 = 107,524,879.20 : x
  2. Step 2: Convert to fraction form
    260,957,800.80/391,436,701.20 = 107,524,879.20/x
  3. Step 3: Cross multiply
    260,957,800.80x = 391,436,701.20 × 107,524,879.20
  4. Step 4: Simplify right side
    260,957,800.80x = 42,089,184,010,976,496
  5. Step 5: Solve for x
    x = 42,089,184,010,976,496/260,957,800.80
  6. Step 6: Final answer
    x = 161,287,318.80

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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.