Home / 45,479,250.78-68,218,876.16-18,172,040.73

Finding the Fourth Proportional to 45,479,250.78, 68,218,876.16 and 18,172,040.73

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Solution

The fourth proportional to 45,479,250.78, 68,218,876.16 and 18,172,040.73 is: 27,258,061.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,479,250.78 : 68,218,876.16 = 18,172,040.73 : x
  2. Step 2: Convert to fraction form
    45,479,250.78/68,218,876.16 = 18,172,040.73/x
  3. Step 3: Cross multiply
    45,479,250.78x = 68,218,876.16 × 18,172,040.73
  4. Step 4: Simplify right side
    45,479,250.78x = 1,239,676,196,134,346
  5. Step 5: Solve for x
    x = 1,239,676,196,134,346/45,479,250.78
  6. Step 6: Final answer
    x = 27,258,061.09

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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.