Home / 288,119,059.52-432,215,791.92-132,635,367.04

Finding the Fourth Proportional to 288,119,059.52, 432,215,791.92 and 132,635,367.04

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Solution

The fourth proportional to 288,119,059.52, 432,215,791.92 and 132,635,367.04 is: 198,970,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,119,059.52 : 432,215,791.92 = 132,635,367.04 : x
  2. Step 2: Convert to fraction form
    288,119,059.52/432,215,791.92 = 132,635,367.04/x
  3. Step 3: Cross multiply
    288,119,059.52x = 432,215,791.92 × 132,635,367.04
  4. Step 4: Simplify right side
    288,119,059.52x = 57,327,100,201,793,472
  5. Step 5: Solve for x
    x = 57,327,100,201,793,472/288,119,059.52
  6. Step 6: Final answer
    x = 198,970,176.76

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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.