Home / 212,652,295.20-319,049,301.60-189,793,771.20

Finding the Fourth Proportional to 212,652,295.20, 319,049,301.60 and 189,793,771.20

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Solution

The fourth proportional to 212,652,295.20, 319,049,301.60 and 189,793,771.20 is: 284,753,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,652,295.20 : 319,049,301.60 = 189,793,771.20 : x
  2. Step 2: Convert to fraction form
    212,652,295.20/319,049,301.60 = 189,793,771.20/x
  3. Step 3: Cross multiply
    212,652,295.20x = 319,049,301.60 × 189,793,771.20
  4. Step 4: Simplify right side
    212,652,295.20x = 60,553,570,149,390,192
  5. Step 5: Solve for x
    x = 60,553,570,149,390,192/212,652,295.20
  6. Step 6: Final answer
    x = 284,753,898.81

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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.