Home / 165,502,991.52-228,385,687.26-91,161,951.72

Finding the Fourth Proportional to 165,502,991.52, 228,385,687.26 and 91,161,951.72

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Solution

The fourth proportional to 165,502,991.52, 228,385,687.26 and 91,161,951.72 is: 125,798,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,502,991.52 : 228,385,687.26 = 91,161,951.72 : x
  2. Step 2: Convert to fraction form
    165,502,991.52/228,385,687.26 = 91,161,951.72/x
  3. Step 3: Cross multiply
    165,502,991.52x = 228,385,687.26 × 91,161,951.72
  4. Step 4: Simplify right side
    165,502,991.52x = 20,820,084,995,535,136
  5. Step 5: Solve for x
    x = 20,820,084,995,535,136/165,502,991.52
  6. Step 6: Final answer
    x = 125,798,843.90

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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.