Home / 215,682,981.60-323,524,472.40-181,245,604.80

Finding the Fourth Proportional to 215,682,981.60, 323,524,472.40 and 181,245,604.80

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Solution

The fourth proportional to 215,682,981.60, 323,524,472.40 and 181,245,604.80 is: 271,868,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,682,981.60 : 323,524,472.40 = 181,245,604.80 : x
  2. Step 2: Convert to fraction form
    215,682,981.60/323,524,472.40 = 181,245,604.80/x
  3. Step 3: Cross multiply
    215,682,981.60x = 323,524,472.40 × 181,245,604.80
  4. Step 4: Simplify right side
    215,682,981.60x = 58,637,388,667,738,904
  5. Step 5: Solve for x
    x = 58,637,388,667,738,904/215,682,981.60
  6. Step 6: Final answer
    x = 271,868,407.20

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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.