Home / 326,541,984.01-489,632,286.07-129,605,892.64

Finding the Fourth Proportional to 326,541,984.01, 489,632,286.07 and 129,605,892.64

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Solution

The fourth proportional to 326,541,984.01, 489,632,286.07 and 129,605,892.64 is: 194,337,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,541,984.01 : 489,632,286.07 = 129,605,892.64 : x
  2. Step 2: Convert to fraction form
    326,541,984.01/489,632,286.07 = 129,605,892.64/x
  3. Step 3: Cross multiply
    326,541,984.01x = 489,632,286.07 × 129,605,892.64
  4. Step 4: Simplify right side
    326,541,984.01x = 63,459,229,500,522,336
  5. Step 5: Solve for x
    x = 63,459,229,500,522,336/326,541,984.01
  6. Step 6: Final answer
    x = 194,337,122.36

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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.