Home / 326,264,523.66-489,383,512.95-80,614,972.20

Finding the Fourth Proportional to 326,264,523.66, 489,383,512.95 and 80,614,972.20

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Solution

The fourth proportional to 326,264,523.66, 489,383,512.95 and 80,614,972.20 is: 120,919,178.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,264,523.66 : 489,383,512.95 = 80,614,972.20 : x
  2. Step 2: Convert to fraction form
    326,264,523.66/489,383,512.95 = 80,614,972.20/x
  3. Step 3: Cross multiply
    326,264,523.66x = 489,383,512.95 × 80,614,972.20
  4. Step 4: Simplify right side
    326,264,523.66x = 39,451,638,291,602,592
  5. Step 5: Solve for x
    x = 39,451,638,291,602,592/326,264,523.66
  6. Step 6: Final answer
    x = 120,919,178.86

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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.