Home / 123,266,550.28-170,113,186.59-68,262,406.78

Finding the Fourth Proportional to 123,266,550.28, 170,113,186.59 and 68,262,406.78

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Solution

The fourth proportional to 123,266,550.28, 170,113,186.59 and 68,262,406.78 is: 94,205,082.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,266,550.28 : 170,113,186.59 = 68,262,406.78 : x
  2. Step 2: Convert to fraction form
    123,266,550.28/170,113,186.59 = 68,262,406.78/x
  3. Step 3: Cross multiply
    123,266,550.28x = 170,113,186.59 × 68,262,406.78
  4. Step 4: Simplify right side
    123,266,550.28x = 11,612,335,540,798,056
  5. Step 5: Solve for x
    x = 11,612,335,540,798,056/123,266,550.28
  6. Step 6: Final answer
    x = 94,205,082.52

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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.