Home / 165,504,815.70-228,393,855.30-91,172,329.47

Finding the Fourth Proportional to 165,504,815.70, 228,393,855.30 and 91,172,329.47

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Solution

The fourth proportional to 165,504,815.70, 228,393,855.30 and 91,172,329.47 is: 125,816,277.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,504,815.70 : 228,393,855.30 = 91,172,329.47 : x
  2. Step 2: Convert to fraction form
    165,504,815.70/228,393,855.30 = 91,172,329.47/x
  3. Step 3: Cross multiply
    165,504,815.70x = 228,393,855.30 × 91,172,329.47
  4. Step 4: Simplify right side
    165,504,815.70x = 20,823,199,824,335,108
  5. Step 5: Solve for x
    x = 20,823,199,824,335,108/165,504,815.70
  6. Step 6: Final answer
    x = 125,816,277.53

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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.