Home / 123,266,551.28-170,113,187.97-68,262,407.78

Finding the Fourth Proportional to 123,266,551.28, 170,113,187.97 and 68,262,407.78

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Solution

The fourth proportional to 123,266,551.28, 170,113,187.97 and 68,262,407.78 is: 94,205,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,266,551.28 : 170,113,187.97 = 68,262,407.78 : x
  2. Step 2: Convert to fraction form
    123,266,551.28/170,113,187.97 = 68,262,407.78/x
  3. Step 3: Cross multiply
    123,266,551.28x = 170,113,187.97 × 68,262,407.78
  4. Step 4: Simplify right side
    123,266,551.28x = 11,612,335,805,113,366
  5. Step 5: Solve for x
    x = 11,612,335,805,113,366/123,266,551.28
  6. Step 6: Final answer
    x = 94,205,083.90

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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.