Home / 115,560,400.80-173,340,601.20-38,857,936.80

Finding the Fourth Proportional to 115,560,400.80, 173,340,601.20 and 38,857,936.80

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Solution

The fourth proportional to 115,560,400.80, 173,340,601.20 and 38,857,936.80 is: 58,286,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,560,400.80 : 173,340,601.20 = 38,857,936.80 : x
  2. Step 2: Convert to fraction form
    115,560,400.80/173,340,601.20 = 38,857,936.80/x
  3. Step 3: Cross multiply
    115,560,400.80x = 173,340,601.20 × 38,857,936.80
  4. Step 4: Simplify right side
    115,560,400.80x = 6,735,658,126,303,603
  5. Step 5: Solve for x
    x = 6,735,658,126,303,603/115,560,400.80
  6. Step 6: Final answer
    x = 58,286,905.20

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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.