Home / 321,372,188.43-443,498,479.38-180,274,686.06

Finding the Fourth Proportional to 321,372,188.43, 443,498,479.38 and 180,274,686.06

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Solution

The fourth proportional to 321,372,188.43, 443,498,479.38 and 180,274,686.06 is: 248,781,792.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,372,188.43 : 443,498,479.38 = 180,274,686.06 : x
  2. Step 2: Convert to fraction form
    321,372,188.43/443,498,479.38 = 180,274,686.06/x
  3. Step 3: Cross multiply
    321,372,188.43x = 443,498,479.38 × 180,274,686.06
  4. Step 4: Simplify right side
    321,372,188.43x = 79,951,549,138,316,880
  5. Step 5: Solve for x
    x = 79,951,549,138,316,880/321,372,188.43
  6. Step 6: Final answer
    x = 248,781,792.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.