Home / 220,161,255.90-329,958,448.65-168,788,625.90

Finding the Fourth Proportional to 220,161,255.90, 329,958,448.65 and 168,788,625.90

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Solution

The fourth proportional to 220,161,255.90, 329,958,448.65 and 168,788,625.90 is: 252,965,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,161,255.90 : 329,958,448.65 = 168,788,625.90 : x
  2. Step 2: Convert to fraction form
    220,161,255.90/329,958,448.65 = 168,788,625.90/x
  3. Step 3: Cross multiply
    220,161,255.90x = 329,958,448.65 × 168,788,625.90
  4. Step 4: Simplify right side
    220,161,255.90x = 55,693,233,151,729,208
  5. Step 5: Solve for x
    x = 55,693,233,151,729,208/220,161,255.90
  6. Step 6: Final answer
    x = 252,965,640.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.