Home / 165,206,212.32-227,958,191.28-91,867,887.84

Finding the Fourth Proportional to 165,206,212.32, 227,958,191.28 and 91,867,887.84

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Solution

The fourth proportional to 165,206,212.32, 227,958,191.28 and 91,867,887.84 is: 126,763,014.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,206,212.32 : 227,958,191.28 = 91,867,887.84 : x
  2. Step 2: Convert to fraction form
    165,206,212.32/227,958,191.28 = 91,867,887.84/x
  3. Step 3: Cross multiply
    165,206,212.32x = 227,958,191.28 × 91,867,887.84
  4. Step 4: Simplify right side
    165,206,212.32x = 20,942,037,548,720,308
  5. Step 5: Solve for x
    x = 20,942,037,548,720,308/165,206,212.32
  6. Step 6: Final answer
    x = 126,763,014.87

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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.