Home / 215,784,697.55-323,677,046.33-214,273,043.15

Finding the Fourth Proportional to 215,784,697.55, 323,677,046.33 and 214,273,043.15

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Solution

The fourth proportional to 215,784,697.55, 323,677,046.33 and 214,273,043.15 is: 321,409,564.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,784,697.55 : 323,677,046.33 = 214,273,043.15 : x
  2. Step 2: Convert to fraction form
    215,784,697.55/323,677,046.33 = 214,273,043.15/x
  3. Step 3: Cross multiply
    215,784,697.55x = 323,677,046.33 × 214,273,043.15
  4. Step 4: Simplify right side
    215,784,697.55x = 69,355,265,713,861,272
  5. Step 5: Solve for x
    x = 69,355,265,713,861,272/215,784,697.55
  6. Step 6: Final answer
    x = 321,409,564.73

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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.