Home / 165,590,100.38-228,515,849.75-91,253,328.11

Finding the Fourth Proportional to 165,590,100.38, 228,515,849.75 and 91,253,328.11

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Solution

The fourth proportional to 165,590,100.38, 228,515,849.75 and 91,253,328.11 is: 125,930,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,590,100.38 : 228,515,849.75 = 91,253,328.11 : x
  2. Step 2: Convert to fraction form
    165,590,100.38/228,515,849.75 = 91,253,328.11/x
  3. Step 3: Cross multiply
    165,590,100.38x = 228,515,849.75 × 91,253,328.11
  4. Step 4: Simplify right side
    165,590,100.38x = 20,852,831,816,671,432
  5. Step 5: Solve for x
    x = 20,852,831,816,671,432/165,590,100.38
  6. Step 6: Final answer
    x = 125,930,425.61

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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.