Home / 88,945,242.20-122,745,687.79-51,247,571.76

Finding the Fourth Proportional to 88,945,242.20, 122,745,687.79 and 51,247,571.76

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Solution

The fourth proportional to 88,945,242.20, 122,745,687.79 and 51,247,571.76 is: 70,722,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,945,242.20 : 122,745,687.79 = 51,247,571.76 : x
  2. Step 2: Convert to fraction form
    88,945,242.20/122,745,687.79 = 51,247,571.76/x
  3. Step 3: Cross multiply
    88,945,242.20x = 122,745,687.79 × 51,247,571.76
  4. Step 4: Simplify right side
    88,945,242.20x = 6,290,418,442,899,586
  5. Step 5: Solve for x
    x = 6,290,418,442,899,586/88,945,242.20
  6. Step 6: Final answer
    x = 70,722,371.29

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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.