Home / 73,076,968.44-109,615,410.06-68,234,217.48

Finding the Fourth Proportional to 73,076,968.44, 109,615,410.06 and 68,234,217.48

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Solution

The fourth proportional to 73,076,968.44, 109,615,410.06 and 68,234,217.48 is: 102,351,286.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,076,968.44 : 109,615,410.06 = 68,234,217.48 : x
  2. Step 2: Convert to fraction form
    73,076,968.44/109,615,410.06 = 68,234,217.48/x
  3. Step 3: Cross multiply
    73,076,968.44x = 109,615,410.06 × 68,234,217.48
  4. Step 4: Simplify right side
    73,076,968.44x = 7,479,521,729,193,420
  5. Step 5: Solve for x
    x = 7,479,521,729,193,420/73,076,968.44
  6. Step 6: Final answer
    x = 102,351,286.44

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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.