Home / 327,078,748.72-451,373,994.60-178,399,831.60

Finding the Fourth Proportional to 327,078,748.72, 451,373,994.60 and 178,399,831.60

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Solution

The fourth proportional to 327,078,748.72, 451,373,994.60 and 178,399,831.60 is: 246,194,670.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,078,748.72 : 451,373,994.60 = 178,399,831.60 : x
  2. Step 2: Convert to fraction form
    327,078,748.72/451,373,994.60 = 178,399,831.60/x
  3. Step 3: Cross multiply
    327,078,748.72x = 451,373,994.60 × 178,399,831.60
  4. Step 4: Simplify right side
    327,078,748.72x = 80,525,044,625,259,312
  5. Step 5: Solve for x
    x = 80,525,044,625,259,312/327,078,748.72
  6. Step 6: Final answer
    x = 246,194,670.06

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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.