Home / 225,463,185.91-311,134,137.15-131,371,469.38

Finding the Fourth Proportional to 225,463,185.91, 311,134,137.15 and 131,371,469.38

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Solution

The fourth proportional to 225,463,185.91, 311,134,137.15 and 131,371,469.38 is: 181,289,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,463,185.91 : 311,134,137.15 = 131,371,469.38 : x
  2. Step 2: Convert to fraction form
    225,463,185.91/311,134,137.15 = 131,371,469.38/x
  3. Step 3: Cross multiply
    225,463,185.91x = 311,134,137.15 × 131,371,469.38
  4. Step 4: Simplify right side
    225,463,185.91x = 40,874,148,771,673,944
  5. Step 5: Solve for x
    x = 40,874,148,771,673,944/225,463,185.91
  6. Step 6: Final answer
    x = 181,289,679.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.