Home / 220,100,638.80-329,367,137.40-191,659,141.20

Finding the Fourth Proportional to 220,100,638.80, 329,367,137.40 and 191,659,141.20

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Solution

The fourth proportional to 220,100,638.80, 329,367,137.40 and 191,659,141.20 is: 286,806,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,100,638.80 : 329,367,137.40 = 191,659,141.20 : x
  2. Step 2: Convert to fraction form
    220,100,638.80/329,367,137.40 = 191,659,141.20/x
  3. Step 3: Cross multiply
    220,100,638.80x = 329,367,137.40 × 191,659,141.20
  4. Step 4: Simplify right side
    220,100,638.80x = 63,126,222,693,586,392
  5. Step 5: Solve for x
    x = 63,126,222,693,586,392/220,100,638.80
  6. Step 6: Final answer
    x = 286,806,176.66

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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.