Home / 217,748,400.80-326,622,601.20-74,141,232.80

Finding the Fourth Proportional to 217,748,400.80, 326,622,601.20 and 74,141,232.80

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Solution

The fourth proportional to 217,748,400.80, 326,622,601.20 and 74,141,232.80 is: 111,211,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,748,400.80 : 326,622,601.20 = 74,141,232.80 : x
  2. Step 2: Convert to fraction form
    217,748,400.80/326,622,601.20 = 74,141,232.80/x
  3. Step 3: Cross multiply
    217,748,400.80x = 326,622,601.20 × 74,141,232.80
  4. Step 4: Simplify right side
    217,748,400.80x = 24,216,202,313,310,756
  5. Step 5: Solve for x
    x = 24,216,202,313,310,756/217,748,400.80
  6. Step 6: Final answer
    x = 111,211,849.20

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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.