Home / 221,238,145.35-331,857,218.03-221,238,145.35

Finding the Fourth Proportional to 221,238,145.35, 331,857,218.03 and 221,238,145.35

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Solution

The fourth proportional to 221,238,145.35, 331,857,218.03 and 221,238,145.35 is: 331,857,218.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,238,145.35 : 331,857,218.03 = 221,238,145.35 : x
  2. Step 2: Convert to fraction form
    221,238,145.35/331,857,218.03 = 221,238,145.35/x
  3. Step 3: Cross multiply
    221,238,145.35x = 331,857,218.03 × 221,238,145.35
  4. Step 4: Simplify right side
    221,238,145.35x = 73,419,475,436,861,584
  5. Step 5: Solve for x
    x = 73,419,475,436,861,584/221,238,145.35
  6. Step 6: Final answer
    x = 331,857,218.03

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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.