Home / 81,179,933.38-112,029,185.94-47,690,824.06

Finding the Fourth Proportional to 81,179,933.38, 112,029,185.94 and 47,690,824.06

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Solution

The fourth proportional to 81,179,933.38, 112,029,185.94 and 47,690,824.06 is: 65,813,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,179,933.38 : 112,029,185.94 = 47,690,824.06 : x
  2. Step 2: Convert to fraction form
    81,179,933.38/112,029,185.94 = 47,690,824.06/x
  3. Step 3: Cross multiply
    81,179,933.38x = 112,029,185.94 × 47,690,824.06
  4. Step 4: Simplify right side
    81,179,933.38x = 5,342,764,196,691,917
  5. Step 5: Solve for x
    x = 5,342,764,196,691,917/81,179,933.38
  6. Step 6: Final answer
    x = 65,813,852.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.