Home / 217,764,022.85-326,646,034.28-140,669,648.45

Finding the Fourth Proportional to 217,764,022.85, 326,646,034.28 and 140,669,648.45

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Solution

The fourth proportional to 217,764,022.85, 326,646,034.28 and 140,669,648.45 is: 211,004,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,764,022.85 : 326,646,034.28 = 140,669,648.45 : x
  2. Step 2: Convert to fraction form
    217,764,022.85/326,646,034.28 = 140,669,648.45/x
  3. Step 3: Cross multiply
    217,764,022.85x = 326,646,034.28 × 140,669,648.45
  4. Step 4: Simplify right side
    217,764,022.85x = 45,949,182,809,050,896
  5. Step 5: Solve for x
    x = 45,949,182,809,050,896/217,764,022.85
  6. Step 6: Final answer
    x = 211,004,472.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.