Home / 82,456,878.60-123,700,523.04-27,127,828.92

Finding the Fourth Proportional to 82,456,878.60, 123,700,523.04 and 27,127,828.92

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Solution

The fourth proportional to 82,456,878.60, 123,700,523.04 and 27,127,828.92 is: 40,696,745.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,456,878.60 : 123,700,523.04 = 27,127,828.92 : x
  2. Step 2: Convert to fraction form
    82,456,878.60/123,700,523.04 = 27,127,828.92/x
  3. Step 3: Cross multiply
    82,456,878.60x = 123,700,523.04 × 27,127,828.92
  4. Step 4: Simplify right side
    82,456,878.60x = 3,355,726,626,343,638.50
  5. Step 5: Solve for x
    x = 3,355,726,626,343,638.50/82,456,878.60
  6. Step 6: Final answer
    x = 40,696,745.78

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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.