Home / 220,752,405.40-331,128,608.10-216,217,442.20

Finding the Fourth Proportional to 220,752,405.40, 331,128,608.10 and 216,217,442.20

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Solution

The fourth proportional to 220,752,405.40, 331,128,608.10 and 216,217,442.20 is: 324,326,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,752,405.40 : 331,128,608.10 = 216,217,442.20 : x
  2. Step 2: Convert to fraction form
    220,752,405.40/331,128,608.10 = 216,217,442.20/x
  3. Step 3: Cross multiply
    220,752,405.40x = 331,128,608.10 × 216,217,442.20
  4. Step 4: Simplify right side
    220,752,405.40x = 71,595,780,682,628,200
  5. Step 5: Solve for x
    x = 71,595,780,682,628,200/220,752,405.40
  6. Step 6: Final answer
    x = 324,326,163.30

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1.5x scale

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.