Home / 165,813,902.82-248,936,383.89-127,502,321.94

Finding the Fourth Proportional to 165,813,902.82, 248,936,383.89 and 127,502,321.94

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Solution

The fourth proportional to 165,813,902.82, 248,936,383.89 and 127,502,321.94 is: 191,419,214.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,813,902.82 : 248,936,383.89 = 127,502,321.94 : x
  2. Step 2: Convert to fraction form
    165,813,902.82/248,936,383.89 = 127,502,321.94/x
  3. Step 3: Cross multiply
    165,813,902.82x = 248,936,383.89 × 127,502,321.94
  4. Step 4: Simplify right side
    165,813,902.82x = 31,739,966,961,322,208
  5. Step 5: Solve for x
    x = 31,739,966,961,322,208/165,813,902.82
  6. Step 6: Final answer
    x = 191,419,214.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.