Home / 69,871,940.28-104,826,780.09-21,348,470.97

Finding the Fourth Proportional to 69,871,940.28, 104,826,780.09 and 21,348,470.97

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Solution

The fourth proportional to 69,871,940.28, 104,826,780.09 and 21,348,470.97 is: 32,028,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871,940.28 : 104,826,780.09 = 21,348,470.97 : x
  2. Step 2: Convert to fraction form
    69,871,940.28/104,826,780.09 = 21,348,470.97/x
  3. Step 3: Cross multiply
    69,871,940.28x = 104,826,780.09 × 21,348,470.97
  4. Step 4: Simplify right side
    69,871,940.28x = 2,237,891,471,629,939
  5. Step 5: Solve for x
    x = 2,237,891,471,629,939/69,871,940.28
  6. Step 6: Final answer
    x = 32,028,471.84

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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.