Home / 49,338,939.70-68,064,930.75-31,940,917.30

Finding the Fourth Proportional to 49,338,939.70, 68,064,930.75 and 31,940,917.30

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Solution

The fourth proportional to 49,338,939.70, 68,064,930.75 and 31,940,917.30 is: 44,063,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,338,939.70 : 68,064,930.75 = 31,940,917.30 : x
  2. Step 2: Convert to fraction form
    49,338,939.70/68,064,930.75 = 31,940,917.30/x
  3. Step 3: Cross multiply
    49,338,939.70x = 68,064,930.75 × 31,940,917.30
  4. Step 4: Simplify right side
    49,338,939.70x = 2,174,056,324,115,977
  5. Step 5: Solve for x
    x = 2,174,056,324,115,977/49,338,939.70
  6. Step 6: Final answer
    x = 44,063,701.76

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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.