Home / 327,335,858.51-491,068,470.12-120,076,194.02

Finding the Fourth Proportional to 327,335,858.51, 491,068,470.12 and 120,076,194.02

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Solution

The fourth proportional to 327,335,858.51, 491,068,470.12 and 120,076,194.02 is: 180,138,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,335,858.51 : 491,068,470.12 = 120,076,194.02 : x
  2. Step 2: Convert to fraction form
    327,335,858.51/491,068,470.12 = 120,076,194.02/x
  3. Step 3: Cross multiply
    327,335,858.51x = 491,068,470.12 × 120,076,194.02
  4. Step 4: Simplify right side
    327,335,858.51x = 58,965,632,892,328,064
  5. Step 5: Solve for x
    x = 58,965,632,892,328,064/327,335,858.51
  6. Step 6: Final answer
    x = 180,138,018.37

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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.