Home / 158,040,899,174.20-218,090,797,908.52-89,450,839,642.70

Finding the Fourth Proportional to 158,040,899,174.20, 218,090,797,908.52 and 89,450,839,642.70

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Solution

The fourth proportional to 158,040,899,174.20, 218,090,797,908.52 and 89,450,839,642.70 is: 123,438,964,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,040,899,174.20 : 218,090,797,908.52 = 89,450,839,642.70 : x
  2. Step 2: Convert to fraction form
    158,040,899,174.20/218,090,797,908.52 = 89,450,839,642.70/x
  3. Step 3: Cross multiply
    158,040,899,174.20x = 218,090,797,908.52 × 89,450,839,642.70
  4. Step 4: Simplify right side
    158,040,899,174.20x = 19,508,404,991,262,424,301,568
  5. Step 5: Solve for x
    x = 19,508,404,991,262,424,301,568/158,040,899,174.20
  6. Step 6: Final answer
    x = 123,438,964,807.20

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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.