Home / 99,668,076.30-149,502,114.45-75,481,605.90

Finding the Fourth Proportional to 99,668,076.30, 149,502,114.45 and 75,481,605.90

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Solution

The fourth proportional to 99,668,076.30, 149,502,114.45 and 75,481,605.90 is: 113,222,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668,076.30 : 149,502,114.45 = 75,481,605.90 : x
  2. Step 2: Convert to fraction form
    99,668,076.30/149,502,114.45 = 75,481,605.90/x
  3. Step 3: Cross multiply
    99,668,076.30x = 149,502,114.45 × 75,481,605.90
  4. Step 4: Simplify right side
    99,668,076.30x = 11,284,659,684,131,596
  5. Step 5: Solve for x
    x = 11,284,659,684,131,596/99,668,076.30
  6. Step 6: Final answer
    x = 113,222,408.85

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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.