Home / 205,098,814.20-307,648,221.30-197,932,452.60

Finding the Fourth Proportional to 205,098,814.20, 307,648,221.30 and 197,932,452.60

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Solution

The fourth proportional to 205,098,814.20, 307,648,221.30 and 197,932,452.60 is: 296,898,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,098,814.20 : 307,648,221.30 = 197,932,452.60 : x
  2. Step 2: Convert to fraction form
    205,098,814.20/307,648,221.30 = 197,932,452.60/x
  3. Step 3: Cross multiply
    205,098,814.20x = 307,648,221.30 × 197,932,452.60
  4. Step 4: Simplify right side
    205,098,814.20x = 60,893,566,979,936,560
  5. Step 5: Solve for x
    x = 60,893,566,979,936,560/205,098,814.20
  6. Step 6: Final answer
    x = 296,898,678.90

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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.