Home / 165,356,242.43-228,189,803.69-91,015,213.55

Finding the Fourth Proportional to 165,356,242.43, 228,189,803.69 and 91,015,213.55

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Solution

The fourth proportional to 165,356,242.43, 228,189,803.69 and 91,015,213.55 is: 125,599,997.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,356,242.43 : 228,189,803.69 = 91,015,213.55 : x
  2. Step 2: Convert to fraction form
    165,356,242.43/228,189,803.69 = 91,015,213.55/x
  3. Step 3: Cross multiply
    165,356,242.43x = 228,189,803.69 × 91,015,213.55
  4. Step 4: Simplify right side
    165,356,242.43x = 20,768,743,712,777,928
  5. Step 5: Solve for x
    x = 20,768,743,712,777,928/165,356,242.43
  6. Step 6: Final answer
    x = 125,599,997.97

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1.5x scale

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.