Home / 204,595,053.48-307,086,600.96-126,636,138.54

Finding the Fourth Proportional to 204,595,053.48, 307,086,600.96 and 126,636,138.54

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Solution

The fourth proportional to 204,595,053.48, 307,086,600.96 and 126,636,138.54 is: 190,074,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,595,053.48 : 307,086,600.96 = 126,636,138.54 : x
  2. Step 2: Convert to fraction form
    204,595,053.48/307,086,600.96 = 126,636,138.54/x
  3. Step 3: Cross multiply
    204,595,053.48x = 307,086,600.96 × 126,636,138.54
  4. Step 4: Simplify right side
    204,595,053.48x = 38,888,261,342,948,256
  5. Step 5: Solve for x
    x = 38,888,261,342,948,256/204,595,053.48
  6. Step 6: Final answer
    x = 190,074,298.87

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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.