Home / 157,882,976.96-217,867,447.58-91,798,786.85

Finding the Fourth Proportional to 157,882,976.96, 217,867,447.58 and 91,798,786.85

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Solution

The fourth proportional to 157,882,976.96, 217,867,447.58 and 91,798,786.85 is: 126,675,894.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,882,976.96 : 217,867,447.58 = 91,798,786.85 : x
  2. Step 2: Convert to fraction form
    157,882,976.96/217,867,447.58 = 91,798,786.85/x
  3. Step 3: Cross multiply
    157,882,976.96x = 217,867,447.58 × 91,798,786.85
  4. Step 4: Simplify right side
    157,882,976.96x = 19,999,967,380,401,636
  5. Step 5: Solve for x
    x = 19,999,967,380,401,636/157,882,976.96
  6. Step 6: Final answer
    x = 126,675,894.81

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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.