Home / 95,422,933.90-143,134,400.85-80,642,313.10

Finding the Fourth Proportional to 95,422,933.90, 143,134,400.85 and 80,642,313.10

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Solution

The fourth proportional to 95,422,933.90, 143,134,400.85 and 80,642,313.10 is: 120,963,469.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,422,933.90 : 143,134,400.85 = 80,642,313.10 : x
  2. Step 2: Convert to fraction form
    95,422,933.90/143,134,400.85 = 80,642,313.10/x
  3. Step 3: Cross multiply
    95,422,933.90x = 143,134,400.85 × 80,642,313.10
  4. Step 4: Simplify right side
    95,422,933.90x = 11,542,689,168,726,604
  5. Step 5: Solve for x
    x = 11,542,689,168,726,604/95,422,933.90
  6. Step 6: Final answer
    x = 120,963,469.65

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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.