Home / 81,795,912,473.84-112,869,760,183.20-47,494,914,063.28

Finding the Fourth Proportional to 81,795,912,473.84, 112,869,760,183.20 and 47,494,914,063.28

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Solution

The fourth proportional to 81,795,912,473.84, 112,869,760,183.20 and 47,494,914,063.28 is: 65,537,988,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,795,912,473.84 : 112,869,760,183.20 = 47,494,914,063.28 : x
  2. Step 2: Convert to fraction form
    81,795,912,473.84/112,869,760,183.20 = 47,494,914,063.28/x
  3. Step 3: Cross multiply
    81,795,912,473.84x = 112,869,760,183.20 × 47,494,914,063.28
  4. Step 4: Simplify right side
    81,795,912,473.84x = 5,360,739,560,244,105,969,664
  5. Step 5: Solve for x
    x = 5,360,739,560,244,105,969,664/81,795,912,473.84
  6. Step 6: Final answer
    x = 65,537,988,367.80

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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.