Home / 221,293,288.40-331,939,932.60-214,915,996.40

Finding the Fourth Proportional to 221,293,288.40, 331,939,932.60 and 214,915,996.40

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Solution

The fourth proportional to 221,293,288.40, 331,939,932.60 and 214,915,996.40 is: 322,373,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,293,288.40 : 331,939,932.60 = 214,915,996.40 : x
  2. Step 2: Convert to fraction form
    221,293,288.40/331,939,932.60 = 214,915,996.40/x
  3. Step 3: Cross multiply
    221,293,288.40x = 331,939,932.60 × 214,915,996.40
  4. Step 4: Simplify right side
    221,293,288.40x = 71,339,201,359,677,848
  5. Step 5: Solve for x
    x = 71,339,201,359,677,848/221,293,288.40
  6. Step 6: Final answer
    x = 322,373,994.60

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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.