Home / 221,858,428.20-332,149,913.10-135,764,986.20

Finding the Fourth Proportional to 221,858,428.20, 332,149,913.10 and 135,764,986.20

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Solution

The fourth proportional to 221,858,428.20, 332,149,913.10 and 135,764,986.20 is: 203,257,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,858,428.20 : 332,149,913.10 = 135,764,986.20 : x
  2. Step 2: Convert to fraction form
    221,858,428.20/332,149,913.10 = 135,764,986.20/x
  3. Step 3: Cross multiply
    221,858,428.20x = 332,149,913.10 × 135,764,986.20
  4. Step 4: Simplify right side
    221,858,428.20x = 45,094,328,368,352,696
  5. Step 5: Solve for x
    x = 45,094,328,368,352,696/221,858,428.20
  6. Step 6: Final answer
    x = 203,257,224.59

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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.