Home / 72,568,519.20-108,703,479.60-36,686,944.80

Finding the Fourth Proportional to 72,568,519.20, 108,703,479.60 and 36,686,944.80

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Solution

The fourth proportional to 72,568,519.20, 108,703,479.60 and 36,686,944.80 is: 54,954,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,568,519.20 : 108,703,479.60 = 36,686,944.80 : x
  2. Step 2: Convert to fraction form
    72,568,519.20/108,703,479.60 = 36,686,944.80/x
  3. Step 3: Cross multiply
    72,568,519.20x = 108,703,479.60 × 36,686,944.80
  4. Step 4: Simplify right side
    72,568,519.20x = 3,987,998,555,653,125.50
  5. Step 5: Solve for x
    x = 3,987,998,555,653,125.50/72,568,519.20
  6. Step 6: Final answer
    x = 54,954,939.13

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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.