Home / 158,040,899,109.09-218,090,797,818.65-89,450,839,577.65

Finding the Fourth Proportional to 158,040,899,109.09, 218,090,797,818.65 and 89,450,839,577.65

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Solution

The fourth proportional to 158,040,899,109.09, 218,090,797,818.65 and 89,450,839,577.65 is: 123,438,964,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,040,899,109.09 : 218,090,797,818.65 = 89,450,839,577.65 : x
  2. Step 2: Convert to fraction form
    158,040,899,109.09/218,090,797,818.65 = 89,450,839,577.65/x
  3. Step 3: Cross multiply
    158,040,899,109.09x = 218,090,797,818.65 × 89,450,839,577.65
  4. Step 4: Simplify right side
    158,040,899,109.09x = 19,508,404,969,037,759,512,576
  5. Step 5: Solve for x
    x = 19,508,404,969,037,759,512,576/158,040,899,109.09
  6. Step 6: Final answer
    x = 123,438,964,717.43

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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.