Home / 220,161,238.40-329,958,422.40-168,788,608.40

Finding the Fourth Proportional to 220,161,238.40, 329,958,422.40 and 168,788,608.40

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Solution

The fourth proportional to 220,161,238.40, 329,958,422.40 and 168,788,608.40 is: 252,965,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,161,238.40 : 329,958,422.40 = 168,788,608.40 : x
  2. Step 2: Convert to fraction form
    220,161,238.40/329,958,422.40 = 168,788,608.40/x
  3. Step 3: Cross multiply
    220,161,238.40x = 329,958,422.40 × 168,788,608.40
  4. Step 4: Simplify right side
    220,161,238.40x = 55,693,222,946,755,384
  5. Step 5: Solve for x
    x = 55,693,222,946,755,384/220,161,238.40
  6. Step 6: Final answer
    x = 252,965,614.44

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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.