Home / 82,456,879.10-123,700,523.79-27,127,829.42

Finding the Fourth Proportional to 82,456,879.10, 123,700,523.79 and 27,127,829.42

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Solution

The fourth proportional to 82,456,879.10, 123,700,523.79 and 27,127,829.42 is: 40,696,746.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,456,879.10 : 123,700,523.79 = 27,127,829.42 : x
  2. Step 2: Convert to fraction form
    82,456,879.10/123,700,523.79 = 27,127,829.42/x
  3. Step 3: Cross multiply
    82,456,879.10x = 123,700,523.79 × 27,127,829.42
  4. Step 4: Simplify right side
    82,456,879.10x = 3,355,726,708,539,772.50
  5. Step 5: Solve for x
    x = 3,355,726,708,539,772.50/82,456,879.10
  6. Step 6: Final answer
    x = 40,696,746.53

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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.