Home / 18,100,678,845.60-27,150,701,372.10-8,145,076,494.60

Finding the Fourth Proportional to 18,100,678,845.60, 27,150,701,372.10 and 8,145,076,494.60

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Solution

The fourth proportional to 18,100,678,845.60, 27,150,701,372.10 and 8,145,076,494.60 is: 12,217,472,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100,678,845.60 : 27,150,701,372.10 = 8,145,076,494.60 : x
  2. Step 2: Convert to fraction form
    18,100,678,845.60/27,150,701,372.10 = 8,145,076,494.60/x
  3. Step 3: Cross multiply
    18,100,678,845.60x = 27,150,701,372.10 × 8,145,076,494.60
  4. Step 4: Simplify right side
    18,100,678,845.60x = 221,144,539,557,795,692,544
  5. Step 5: Solve for x
    x = 221,144,539,557,795,692,544/18,100,678,845.60
  6. Step 6: Final answer
    x = 12,217,472,142.57

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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.