Home / 158,040,899,174.45-218,090,797,908.86-89,450,839,642.95

Finding the Fourth Proportional to 158,040,899,174.45, 218,090,797,908.86 and 89,450,839,642.95

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Solution

The fourth proportional to 158,040,899,174.45, 218,090,797,908.86 and 89,450,839,642.95 is: 123,438,964,807.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,040,899,174.45 : 218,090,797,908.86 = 89,450,839,642.95 : x
  2. Step 2: Convert to fraction form
    158,040,899,174.45/218,090,797,908.86 = 89,450,839,642.95/x
  3. Step 3: Cross multiply
    158,040,899,174.45x = 218,090,797,908.86 × 89,450,839,642.95
  4. Step 4: Simplify right side
    158,040,899,174.45x = 19,508,404,991,347,358,957,568
  5. Step 5: Solve for x
    x = 19,508,404,991,347,358,957,568/158,040,899,174.45
  6. Step 6: Final answer
    x = 123,438,964,807.54

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1.5x scale

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.