Home / 221,857,789.20-332,148,954.60-135,764,347.20

Finding the Fourth Proportional to 221,857,789.20, 332,148,954.60 and 135,764,347.20

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Solution

The fourth proportional to 221,857,789.20, 332,148,954.60 and 135,764,347.20 is: 203,256,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,857,789.20 : 332,148,954.60 = 135,764,347.20 : x
  2. Step 2: Convert to fraction form
    221,857,789.20/332,148,954.60 = 135,764,347.20/x
  3. Step 3: Cross multiply
    221,857,789.20x = 332,148,954.60 × 135,764,347.20
  4. Step 4: Simplify right side
    221,857,789.20x = 45,093,985,994,431,440
  5. Step 5: Solve for x
    x = 45,093,985,994,431,440/221,857,789.20
  6. Step 6: Final answer
    x = 203,256,266.81

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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.