Home / 217,146,839.85-299,562,771.83-192,392,274.33

Finding the Fourth Proportional to 217,146,839.85, 299,562,771.83 and 192,392,274.33

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Solution

The fourth proportional to 217,146,839.85, 299,562,771.83 and 192,392,274.33 is: 265,412,856.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,146,839.85 : 299,562,771.83 = 192,392,274.33 : x
  2. Step 2: Convert to fraction form
    217,146,839.85/299,562,771.83 = 192,392,274.33/x
  3. Step 3: Cross multiply
    217,146,839.85x = 299,562,771.83 × 192,392,274.33
  4. Step 4: Simplify right side
    217,146,839.85x = 57,633,562,976,010,600
  5. Step 5: Solve for x
    x = 57,633,562,976,010,600/217,146,839.85
  6. Step 6: Final answer
    x = 265,412,856.18

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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.