Home / 215,669,340.40-323,504,010.60-194,170,255.60

Finding the Fourth Proportional to 215,669,340.40, 323,504,010.60 and 194,170,255.60

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Solution

The fourth proportional to 215,669,340.40, 323,504,010.60 and 194,170,255.60 is: 291,255,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,669,340.40 : 323,504,010.60 = 194,170,255.60 : x
  2. Step 2: Convert to fraction form
    215,669,340.40/323,504,010.60 = 194,170,255.60/x
  3. Step 3: Cross multiply
    215,669,340.40x = 323,504,010.60 × 194,170,255.60
  4. Step 4: Simplify right side
    215,669,340.40x = 62,814,856,425,827,112
  5. Step 5: Solve for x
    x = 62,814,856,425,827,112/215,669,340.40
  6. Step 6: Final answer
    x = 291,255,383.40

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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.