Home / 108,275,486.70-162,413,230.05-82,766,318.70

Finding the Fourth Proportional to 108,275,486.70, 162,413,230.05 and 82,766,318.70

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Solution

The fourth proportional to 108,275,486.70, 162,413,230.05 and 82,766,318.70 is: 124,149,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,275,486.70 : 162,413,230.05 = 82,766,318.70 : x
  2. Step 2: Convert to fraction form
    108,275,486.70/162,413,230.05 = 82,766,318.70/x
  3. Step 3: Cross multiply
    108,275,486.70x = 162,413,230.05 × 82,766,318.70
  4. Step 4: Simplify right side
    108,275,486.70x = 13,442,345,159,414,718
  5. Step 5: Solve for x
    x = 13,442,345,159,414,718/108,275,486.70
  6. Step 6: Final answer
    x = 124,149,478.05

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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.