Home / 123,900,997.88-170,976,357.42-68,895,673.40

Finding the Fourth Proportional to 123,900,997.88, 170,976,357.42 and 68,895,673.40

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Solution

The fourth proportional to 123,900,997.88, 170,976,357.42 and 68,895,673.40 is: 95,072,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,900,997.88 : 170,976,357.42 = 68,895,673.40 : x
  2. Step 2: Convert to fraction form
    123,900,997.88/170,976,357.42 = 68,895,673.40/x
  3. Step 3: Cross multiply
    123,900,997.88x = 170,976,357.42 × 68,895,673.40
  4. Step 4: Simplify right side
    123,900,997.88x = 11,779,531,279,929,986
  5. Step 5: Solve for x
    x = 11,779,531,279,929,986/123,900,997.88
  6. Step 6: Final answer
    x = 95,072,125.98

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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.