Home / 165,356,236.05-228,189,794.90-91,015,207.17

Finding the Fourth Proportional to 165,356,236.05, 228,189,794.90 and 91,015,207.17

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Solution

The fourth proportional to 165,356,236.05, 228,189,794.90 and 91,015,207.17 is: 125,599,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,356,236.05 : 228,189,794.90 = 91,015,207.17 : x
  2. Step 2: Convert to fraction form
    165,356,236.05/228,189,794.90 = 91,015,207.17/x
  3. Step 3: Cross multiply
    165,356,236.05x = 228,189,794.90 × 91,015,207.17
  4. Step 4: Simplify right side
    165,356,236.05x = 20,768,741,456,448,236
  5. Step 5: Solve for x
    x = 20,768,741,456,448,236/165,356,236.05
  6. Step 6: Final answer
    x = 125,599,989.17

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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.