Home / 187,454,736.81-258,667,843.26-103,820,676.55

Finding the Fourth Proportional to 187,454,736.81, 258,667,843.26 and 103,820,676.55

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Solution

The fourth proportional to 187,454,736.81, 258,667,843.26 and 103,820,676.55 is: 143,261,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,454,736.81 : 258,667,843.26 = 103,820,676.55 : x
  2. Step 2: Convert to fraction form
    187,454,736.81/258,667,843.26 = 103,820,676.55/x
  3. Step 3: Cross multiply
    187,454,736.81x = 258,667,843.26 × 103,820,676.55
  4. Step 4: Simplify right side
    187,454,736.81x = 26,855,070,488,725,212
  5. Step 5: Solve for x
    x = 26,855,070,488,725,212/187,454,736.81
  6. Step 6: Final answer
    x = 143,261,626.49

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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.