Home / 49,338,942.70-68,064,934.89-31,940,920.30

Finding the Fourth Proportional to 49,338,942.70, 68,064,934.89 and 31,940,920.30

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Solution

The fourth proportional to 49,338,942.70, 68,064,934.89 and 31,940,920.30 is: 44,063,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,338,942.70 : 68,064,934.89 = 31,940,920.30 : x
  2. Step 2: Convert to fraction form
    49,338,942.70/68,064,934.89 = 31,940,920.30/x
  3. Step 3: Cross multiply
    49,338,942.70x = 68,064,934.89 × 31,940,920.30
  4. Step 4: Simplify right side
    49,338,942.70x = 2,174,056,660,546,179.25
  5. Step 5: Solve for x
    x = 2,174,056,660,546,179.25/49,338,942.70
  6. Step 6: Final answer
    x = 44,063,705.90

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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.