Home / 158,040,899,174.33-218,090,797,908.70-89,450,839,642.82

Finding the Fourth Proportional to 158,040,899,174.33, 218,090,797,908.70 and 89,450,839,642.82

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Solution

The fourth proportional to 158,040,899,174.33, 218,090,797,908.70 and 89,450,839,642.82 is: 123,438,964,807.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,040,899,174.33 : 218,090,797,908.70 = 89,450,839,642.82 : x
  2. Step 2: Convert to fraction form
    158,040,899,174.33/218,090,797,908.70 = 89,450,839,642.82/x
  3. Step 3: Cross multiply
    158,040,899,174.33x = 218,090,797,908.70 × 89,450,839,642.82
  4. Step 4: Simplify right side
    158,040,899,174.33x = 19,508,404,991,305,789,210,624
  5. Step 5: Solve for x
    x = 19,508,404,991,305,789,210,624/158,040,899,174.33
  6. Step 6: Final answer
    x = 123,438,964,807.37

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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.