Home / 66,936,842.28-99,954,509.68-54,665,149.82

Finding the Fourth Proportional to 66,936,842.28, 99,954,509.68 and 54,665,149.82

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Solution

The fourth proportional to 66,936,842.28, 99,954,509.68 and 54,665,149.82 is: 81,629,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,936,842.28 : 99,954,509.68 = 54,665,149.82 : x
  2. Step 2: Convert to fraction form
    66,936,842.28/99,954,509.68 = 54,665,149.82/x
  3. Step 3: Cross multiply
    66,936,842.28x = 99,954,509.68 × 54,665,149.82
  4. Step 4: Simplify right side
    66,936,842.28x = 5,464,028,246,568,514
  5. Step 5: Solve for x
    x = 5,464,028,246,568,514/66,936,842.28
  6. Step 6: Final answer
    x = 81,629,608.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.