Home / 129,054,086.12-193,661,843.52-52,377,114.36

Finding the Fourth Proportional to 129,054,086.12, 193,661,843.52 and 52,377,114.36

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Solution

The fourth proportional to 129,054,086.12, 193,661,843.52 and 52,377,114.36 is: 78,598,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,054,086.12 : 193,661,843.52 = 52,377,114.36 : x
  2. Step 2: Convert to fraction form
    129,054,086.12/193,661,843.52 = 52,377,114.36/x
  3. Step 3: Cross multiply
    129,054,086.12x = 193,661,843.52 × 52,377,114.36
  4. Step 4: Simplify right side
    129,054,086.12x = 10,143,448,525,215,466
  5. Step 5: Solve for x
    x = 10,143,448,525,215,466/129,054,086.12
  6. Step 6: Final answer
    x = 78,598,429.78

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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.