Home / 269,715,172.56-372,206,939.45-145,955,850.90

Finding the Fourth Proportional to 269,715,172.56, 372,206,939.45 and 145,955,850.90

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Solution

The fourth proportional to 269,715,172.56, 372,206,939.45 and 145,955,850.90 is: 201,419,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,715,172.56 : 372,206,939.45 = 145,955,850.90 : x
  2. Step 2: Convert to fraction form
    269,715,172.56/372,206,939.45 = 145,955,850.90/x
  3. Step 3: Cross multiply
    269,715,172.56x = 372,206,939.45 × 145,955,850.90
  4. Step 4: Simplify right side
    269,715,172.56x = 54,325,780,557,579,752
  5. Step 5: Solve for x
    x = 54,325,780,557,579,752/269,715,172.56
  6. Step 6: Final answer
    x = 201,419,074.95

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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.