Home / 125,186,408.66-187,647,080.04-42,109,073.38

Finding the Fourth Proportional to 125,186,408.66, 187,647,080.04 and 42,109,073.38

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Solution

The fourth proportional to 125,186,408.66, 187,647,080.04 and 42,109,073.38 is: 63,119,029.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,186,408.66 : 187,647,080.04 = 42,109,073.38 : x
  2. Step 2: Convert to fraction form
    125,186,408.66/187,647,080.04 = 42,109,073.38/x
  3. Step 3: Cross multiply
    125,186,408.66x = 187,647,080.04 × 42,109,073.38
  4. Step 4: Simplify right side
    125,186,408.66x = 7,901,644,662,947,093
  5. Step 5: Solve for x
    x = 7,901,644,662,947,093/125,186,408.66
  6. Step 6: Final answer
    x = 63,119,029.83

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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.