Home / 108,227,111.80-162,340,667.70-82,399,079.20

Finding the Fourth Proportional to 108,227,111.80, 162,340,667.70 and 82,399,079.20

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Solution

The fourth proportional to 108,227,111.80, 162,340,667.70 and 82,399,079.20 is: 123,598,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,227,111.80 : 162,340,667.70 = 82,399,079.20 : x
  2. Step 2: Convert to fraction form
    108,227,111.80/162,340,667.70 = 82,399,079.20/x
  3. Step 3: Cross multiply
    108,227,111.80x = 162,340,667.70 × 82,399,079.20
  4. Step 4: Simplify right side
    108,227,111.80x = 13,376,721,535,193,182
  5. Step 5: Solve for x
    x = 13,376,721,535,193,182/108,227,111.80
  6. Step 6: Final answer
    x = 123,598,618.80

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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.