Home / 84,462,661.60-126,945,934.80-82,951,007.20

Finding the Fourth Proportional to 84,462,661.60, 126,945,934.80 and 82,951,007.20

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Solution

The fourth proportional to 84,462,661.60, 126,945,934.80 and 82,951,007.20 is: 124,673,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,462,661.60 : 126,945,934.80 = 82,951,007.20 : x
  2. Step 2: Convert to fraction form
    84,462,661.60/126,945,934.80 = 82,951,007.20/x
  3. Step 3: Cross multiply
    84,462,661.60x = 126,945,934.80 × 82,951,007.20
  4. Step 4: Simplify right side
    84,462,661.60x = 10,530,293,151,605,530
  5. Step 5: Solve for x
    x = 10,530,293,151,605,530/84,462,661.60
  6. Step 6: Final answer
    x = 124,673,944.11

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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.