Home / 220,100,614.30-329,367,100.65-191,659,116.70

Finding the Fourth Proportional to 220,100,614.30, 329,367,100.65 and 191,659,116.70

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Solution

The fourth proportional to 220,100,614.30, 329,367,100.65 and 191,659,116.70 is: 286,806,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,100,614.30 : 329,367,100.65 = 191,659,116.70 : x
  2. Step 2: Convert to fraction form
    220,100,614.30/329,367,100.65 = 191,659,116.70/x
  3. Step 3: Cross multiply
    220,100,614.30x = 329,367,100.65 × 191,659,116.70
  4. Step 4: Simplify right side
    220,100,614.30x = 63,126,207,580,618,984
  5. Step 5: Solve for x
    x = 63,126,207,580,618,984/220,100,614.30
  6. Step 6: Final answer
    x = 286,806,139.92

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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.