Home / 75,787,729.80-113,469,018.30-73,661,965.80

Finding the Fourth Proportional to 75,787,729.80, 113,469,018.30 and 73,661,965.80

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Solution

The fourth proportional to 75,787,729.80, 113,469,018.30 and 73,661,965.80 is: 110,286,334.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,787,729.80 : 113,469,018.30 = 73,661,965.80 : x
  2. Step 2: Convert to fraction form
    75,787,729.80/113,469,018.30 = 73,661,965.80/x
  3. Step 3: Cross multiply
    75,787,729.80x = 113,469,018.30 × 73,661,965.80
  4. Step 4: Simplify right side
    75,787,729.80x = 8,358,350,945,374,174
  5. Step 5: Solve for x
    x = 8,358,350,945,374,174/75,787,729.80
  6. Step 6: Final answer
    x = 110,286,334.84

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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.