Home / 220,100,537.80-329,366,985.90-191,659,040.20

Finding the Fourth Proportional to 220,100,537.80, 329,366,985.90 and 191,659,040.20

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Solution

The fourth proportional to 220,100,537.80, 329,366,985.90 and 191,659,040.20 is: 286,806,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,100,537.80 : 329,366,985.90 = 191,659,040.20 : x
  2. Step 2: Convert to fraction form
    220,100,537.80/329,366,985.90 = 191,659,040.20/x
  3. Step 3: Cross multiply
    220,100,537.80x = 329,366,985.90 × 191,659,040.20
  4. Step 4: Simplify right side
    220,100,537.80x = 63,126,160,391,160,928
  5. Step 5: Solve for x
    x = 63,126,160,391,160,928/220,100,537.80
  6. Step 6: Final answer
    x = 286,806,025.20

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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.