Home / 220,100,534.80-329,366,981.40-191,659,037.20

Finding the Fourth Proportional to 220,100,534.80, 329,366,981.40 and 191,659,037.20

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Solution

The fourth proportional to 220,100,534.80, 329,366,981.40 and 191,659,037.20 is: 286,806,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,100,534.80 : 329,366,981.40 = 191,659,037.20 : x
  2. Step 2: Convert to fraction form
    220,100,534.80/329,366,981.40 = 191,659,037.20/x
  3. Step 3: Cross multiply
    220,100,534.80x = 329,366,981.40 × 191,659,037.20
  4. Step 4: Simplify right side
    220,100,534.80x = 63,126,158,540,594,296
  5. Step 5: Solve for x
    x = 63,126,158,540,594,296/220,100,534.80
  6. Step 6: Final answer
    x = 286,806,020.70

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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.