Home / 125,186,467.05-187,647,168.24-42,109,131.33

Finding the Fourth Proportional to 125,186,467.05, 187,647,168.24 and 42,109,131.33

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Solution

The fourth proportional to 125,186,467.05, 187,647,168.24 and 42,109,131.33 is: 63,119,116.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,186,467.05 : 187,647,168.24 = 42,109,131.33 : x
  2. Step 2: Convert to fraction form
    125,186,467.05/187,647,168.24 = 42,109,131.33/x
  3. Step 3: Cross multiply
    125,186,467.05x = 187,647,168.24 × 42,109,131.33
  4. Step 4: Simplify right side
    125,186,467.05x = 7,901,659,251,120,765
  5. Step 5: Solve for x
    x = 7,901,659,251,120,765/125,186,467.05
  6. Step 6: Final answer
    x = 63,119,116.92

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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.