Home / 220,689,935.80-331,034,903.70-196,456,226.20

Finding the Fourth Proportional to 220,689,935.80, 331,034,903.70 and 196,456,226.20

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Solution

The fourth proportional to 220,689,935.80, 331,034,903.70 and 196,456,226.20 is: 294,684,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,689,935.80 : 331,034,903.70 = 196,456,226.20 : x
  2. Step 2: Convert to fraction form
    220,689,935.80/331,034,903.70 = 196,456,226.20/x
  3. Step 3: Cross multiply
    220,689,935.80x = 331,034,903.70 × 196,456,226.20
  4. Step 4: Simplify right side
    220,689,935.80x = 65,033,867,921,382,408
  5. Step 5: Solve for x
    x = 65,033,867,921,382,408/220,689,935.80
  6. Step 6: Final answer
    x = 294,684,339.30

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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.