Home / 123,631,027.47-170,615,616.09-67,878,797.84

Finding the Fourth Proportional to 123,631,027.47, 170,615,616.09 and 67,878,797.84

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Solution

The fourth proportional to 123,631,027.47, 170,615,616.09 and 67,878,797.84 is: 93,675,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,631,027.47 : 170,615,616.09 = 67,878,797.84 : x
  2. Step 2: Convert to fraction form
    123,631,027.47/170,615,616.09 = 67,878,797.84/x
  3. Step 3: Cross multiply
    123,631,027.47x = 170,615,616.09 × 67,878,797.84
  4. Step 4: Simplify right side
    123,631,027.47x = 11,581,182,912,920,162
  5. Step 5: Solve for x
    x = 11,581,182,912,920,162/123,631,027.47
  6. Step 6: Final answer
    x = 93,675,375.43

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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.