Home / 108,275,746.20-162,413,619.30-82,766,578.20

Finding the Fourth Proportional to 108,275,746.20, 162,413,619.30 and 82,766,578.20

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Solution

The fourth proportional to 108,275,746.20, 162,413,619.30 and 82,766,578.20 is: 124,149,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,275,746.20 : 162,413,619.30 = 82,766,578.20 : x
  2. Step 2: Convert to fraction form
    108,275,746.20/162,413,619.30 = 82,766,578.20/x
  3. Step 3: Cross multiply
    108,275,746.20x = 162,413,619.30 × 82,766,578.20
  4. Step 4: Simplify right side
    108,275,746.20x = 13,442,419,522,538,480
  5. Step 5: Solve for x
    x = 13,442,419,522,538,480/108,275,746.20
  6. Step 6: Final answer
    x = 124,149,867.30

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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.