Home / 326,332,121.27-489,354,539.73-172,942,239.83

Finding the Fourth Proportional to 326,332,121.27, 489,354,539.73 and 172,942,239.83

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Solution

The fourth proportional to 326,332,121.27, 489,354,539.73 and 172,942,239.83 is: 259,337,235.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,332,121.27 : 489,354,539.73 = 172,942,239.83 : x
  2. Step 2: Convert to fraction form
    326,332,121.27/489,354,539.73 = 172,942,239.83/x
  3. Step 3: Cross multiply
    326,332,121.27x = 489,354,539.73 × 172,942,239.83
  4. Step 4: Simplify right side
    326,332,121.27x = 84,630,070,171,884,928
  5. Step 5: Solve for x
    x = 84,630,070,171,884,928/326,332,121.27
  6. Step 6: Final answer
    x = 259,337,235.46

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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.