Home / 217,314,076.40-325,859,140.20-80,929,257.20

Finding the Fourth Proportional to 217,314,076.40, 325,859,140.20 and 80,929,257.20

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Solution

The fourth proportional to 217,314,076.40, 325,859,140.20 and 80,929,257.20 is: 121,352,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,314,076.40 : 325,859,140.20 = 80,929,257.20 : x
  2. Step 2: Convert to fraction form
    217,314,076.40/325,859,140.20 = 80,929,257.20/x
  3. Step 3: Cross multiply
    217,314,076.40x = 325,859,140.20 × 80,929,257.20
  4. Step 4: Simplify right side
    217,314,076.40x = 26,371,538,168,216,660
  5. Step 5: Solve for x
    x = 26,371,538,168,216,660/217,314,076.40
  6. Step 6: Final answer
    x = 121,352,185.76

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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.