Home / 49,405,400.57-68,178,620.40-27,378,855.11

Finding the Fourth Proportional to 49,405,400.57, 68,178,620.40 and 27,378,855.11

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Solution

The fourth proportional to 49,405,400.57, 68,178,620.40 and 27,378,855.11 is: 37,782,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,405,400.57 : 68,178,620.40 = 27,378,855.11 : x
  2. Step 2: Convert to fraction form
    49,405,400.57/68,178,620.40 = 27,378,855.11/x
  3. Step 3: Cross multiply
    49,405,400.57x = 68,178,620.40 × 27,378,855.11
  4. Step 4: Simplify right side
    49,405,400.57x = 1,866,652,569,190,397.25
  5. Step 5: Solve for x
    x = 1,866,652,569,190,397.25/49,405,400.57
  6. Step 6: Final answer
    x = 37,782,358.77

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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.