Home / 123,767,173.28-170,804,013.54-68,763,029.78

Finding the Fourth Proportional to 123,767,173.28, 170,804,013.54 and 68,763,029.78

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Solution

The fourth proportional to 123,767,173.28, 170,804,013.54 and 68,763,029.78 is: 94,895,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,767,173.28 : 170,804,013.54 = 68,763,029.78 : x
  2. Step 2: Convert to fraction form
    123,767,173.28/170,804,013.54 = 68,763,029.78/x
  3. Step 3: Cross multiply
    123,767,173.28x = 170,804,013.54 × 68,763,029.78
  4. Step 4: Simplify right side
    123,767,173.28x = 11,745,001,469,594,542
  5. Step 5: Solve for x
    x = 11,745,001,469,594,542/123,767,173.28
  6. Step 6: Final answer
    x = 94,895,933.70

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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.