Home / 45,479,249.90-68,218,874.85-18,172,039.85

Finding the Fourth Proportional to 45,479,249.90, 68,218,874.85 and 18,172,039.85

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Solution

The fourth proportional to 45,479,249.90, 68,218,874.85 and 18,172,039.85 is: 27,258,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,479,249.90 : 68,218,874.85 = 18,172,039.85 : x
  2. Step 2: Convert to fraction form
    45,479,249.90/68,218,874.85 = 18,172,039.85/x
  3. Step 3: Cross multiply
    45,479,249.90x = 68,218,874.85 × 18,172,039.85
  4. Step 4: Simplify right side
    45,479,249.90x = 1,239,676,112,296,362.75
  5. Step 5: Solve for x
    x = 1,239,676,112,296,362.75/45,479,249.90
  6. Step 6: Final answer
    x = 27,258,059.78

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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.