Home / 71,269,846.40-106,904,769.60-49,770,761.60

Finding the Fourth Proportional to 71,269,846.40, 106,904,769.60 and 49,770,761.60

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Solution

The fourth proportional to 71,269,846.40, 106,904,769.60 and 49,770,761.60 is: 74,656,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,269,846.40 : 106,904,769.60 = 49,770,761.60 : x
  2. Step 2: Convert to fraction form
    71,269,846.40/106,904,769.60 = 49,770,761.60/x
  3. Step 3: Cross multiply
    71,269,846.40x = 106,904,769.60 × 49,770,761.60
  4. Step 4: Simplify right side
    71,269,846.40x = 5,320,731,801,664,527
  5. Step 5: Solve for x
    x = 5,320,731,801,664,527/71,269,846.40
  6. Step 6: Final answer
    x = 74,656,142.40

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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.