Home / 80,965,920-121,448,732.29-26,378,441.01

Finding the Fourth Proportional to 80,965,920, 121,448,732.29 and 26,378,441.01

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Solution

The fourth proportional to 80,965,920, 121,448,732.29 and 26,378,441.01 is: 39,567,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,965,920 : 121,448,732.29 = 26,378,441.01 : x
  2. Step 2: Convert to fraction form
    80,965,920/121,448,732.29 = 26,378,441.01/x
  3. Step 3: Cross multiply
    80,965,920x = 121,448,732.29 × 26,378,441.01
  4. Step 4: Simplify right side
    80,965,920x = 3,203,628,220,451,047.50
  5. Step 5: Solve for x
    x = 3,203,628,220,451,047.50/80,965,920
  6. Step 6: Final answer
    x = 39,567,613.39

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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.