Home / 255,479,528.82-383,213,791.04-71,242,096.20

Finding the Fourth Proportional to 255,479,528.82, 383,213,791.04 and 71,242,096.20

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Solution

The fourth proportional to 255,479,528.82, 383,213,791.04 and 71,242,096.20 is: 106,861,609.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,479,528.82 : 383,213,791.04 = 71,242,096.20 : x
  2. Step 2: Convert to fraction form
    255,479,528.82/383,213,791.04 = 71,242,096.20/x
  3. Step 3: Cross multiply
    255,479,528.82x = 383,213,791.04 × 71,242,096.20
  4. Step 4: Simplify right side
    255,479,528.82x = 27,300,953,766,438,380
  5. Step 5: Solve for x
    x = 27,300,953,766,438,380/255,479,528.82
  6. Step 6: Final answer
    x = 106,861,609.98

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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.