Home / 81,825,660,096.84-112,903,033,942.55-45,691,132,691.17

Finding the Fourth Proportional to 81,825,660,096.84, 112,903,033,942.55 and 45,691,132,691.17

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Solution

The fourth proportional to 81,825,660,096.84, 112,903,033,942.55 and 45,691,132,691.17 is: 63,044,618,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,825,660,096.84 : 112,903,033,942.55 = 45,691,132,691.17 : x
  2. Step 2: Convert to fraction form
    81,825,660,096.84/112,903,033,942.55 = 45,691,132,691.17/x
  3. Step 3: Cross multiply
    81,825,660,096.84x = 112,903,033,942.55 × 45,691,132,691.17
  4. Step 4: Simplify right side
    81,825,660,096.84x = 5,158,667,505,104,722,067,456
  5. Step 5: Solve for x
    x = 5,158,667,505,104,722,067,456/81,825,660,096.84
  6. Step 6: Final answer
    x = 63,044,618,265.22

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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.