Home / 167,519,971,995.90-231,177,246,544.44-91,396,437,557.64

Finding the Fourth Proportional to 167,519,971,995.90, 231,177,246,544.44 and 91,396,437,557.64

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Solution

The fourth proportional to 167,519,971,995.90, 231,177,246,544.44 and 91,396,437,557.64 is: 126,126,912,073.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,519,971,995.90 : 231,177,246,544.44 = 91,396,437,557.64 : x
  2. Step 2: Convert to fraction form
    167,519,971,995.90/231,177,246,544.44 = 91,396,437,557.64/x
  3. Step 3: Cross multiply
    167,519,971,995.90x = 231,177,246,544.44 × 91,396,437,557.64
  4. Step 4: Simplify right side
    167,519,971,995.90x = 21,128,776,778,546,057,052,160
  5. Step 5: Solve for x
    x = 21,128,776,778,546,057,052,160/167,519,971,995.90
  6. Step 6: Final answer
    x = 126,126,912,073.88

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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.