Home / 80,930,651.25-111,684,219.93-43,760,842.59

Finding the Fourth Proportional to 80,930,651.25, 111,684,219.93 and 43,760,842.59

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Solution

The fourth proportional to 80,930,651.25, 111,684,219.93 and 43,760,842.59 is: 60,389,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,930,651.25 : 111,684,219.93 = 43,760,842.59 : x
  2. Step 2: Convert to fraction form
    80,930,651.25/111,684,219.93 = 43,760,842.59/x
  3. Step 3: Cross multiply
    80,930,651.25x = 111,684,219.93 × 43,760,842.59
  4. Step 4: Simplify right side
    80,930,651.25x = 4,887,395,568,143,672
  5. Step 5: Solve for x
    x = 4,887,395,568,143,672/80,930,651.25
  6. Step 6: Final answer
    x = 60,389,920.17

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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.