Home / 66,758,530,743.68-100,153,285,074.32-21,988,420,816.56

Finding the Fourth Proportional to 66,758,530,743.68, 100,153,285,074.32 and 21,988,420,816.56

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Solution

The fourth proportional to 66,758,530,743.68, 100,153,285,074.32 and 21,988,420,816.56 is: 32,987,732,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,758,530,743.68 : 100,153,285,074.32 = 21,988,420,816.56 : x
  2. Step 2: Convert to fraction form
    66,758,530,743.68/100,153,285,074.32 = 21,988,420,816.56/x
  3. Step 3: Cross multiply
    66,758,530,743.68x = 100,153,285,074.32 × 21,988,420,816.56
  4. Step 4: Simplify right side
    66,758,530,743.68x = 2,202,212,578,375,046,004,736
  5. Step 5: Solve for x
    x = 2,202,212,578,375,046,004,736/66,758,530,743.68
  6. Step 6: Final answer
    x = 32,987,732,861.14

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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.