Home / 121,053,918.03-167,040,611.60-68,120,401.62

Finding the Fourth Proportional to 121,053,918.03, 167,040,611.60 and 68,120,401.62

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Solution

The fourth proportional to 121,053,918.03, 167,040,611.60 and 68,120,401.62 is: 93,998,391.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,053,918.03 : 167,040,611.60 = 68,120,401.62 : x
  2. Step 2: Convert to fraction form
    121,053,918.03/167,040,611.60 = 68,120,401.62/x
  3. Step 3: Cross multiply
    121,053,918.03x = 167,040,611.60 × 68,120,401.62
  4. Step 4: Simplify right side
    121,053,918.03x = 11,378,873,549,042,432
  5. Step 5: Solve for x
    x = 11,378,873,549,042,432/121,053,918.03
  6. Step 6: Final answer
    x = 93,998,391.25

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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.