Home / 123,900,993.88-170,976,351.90-68,895,669.40

Finding the Fourth Proportional to 123,900,993.88, 170,976,351.90 and 68,895,669.40

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Solution

The fourth proportional to 123,900,993.88, 170,976,351.90 and 68,895,669.40 is: 95,072,120.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,900,993.88 : 170,976,351.90 = 68,895,669.40 : x
  2. Step 2: Convert to fraction form
    123,900,993.88/170,976,351.90 = 68,895,669.40/x
  3. Step 3: Cross multiply
    123,900,993.88x = 170,976,351.90 × 68,895,669.40
  4. Step 4: Simplify right side
    123,900,993.88x = 11,779,530,215,720,464
  5. Step 5: Solve for x
    x = 11,779,530,215,720,464/123,900,993.88
  6. Step 6: Final answer
    x = 95,072,120.46

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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.