Home / 99,496,753,453.20-149,245,130,179.80-81,830,379,154.80

Finding the Fourth Proportional to 99,496,753,453.20, 149,245,130,179.80 and 81,830,379,154.80

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Solution

The fourth proportional to 99,496,753,453.20, 149,245,130,179.80 and 81,830,379,154.80 is: 122,745,568,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,496,753,453.20 : 149,245,130,179.80 = 81,830,379,154.80 : x
  2. Step 2: Convert to fraction form
    99,496,753,453.20/149,245,130,179.80 = 81,830,379,154.80/x
  3. Step 3: Cross multiply
    99,496,753,453.20x = 149,245,130,179.80 × 81,830,379,154.80
  4. Step 4: Simplify right side
    99,496,753,453.20x = 12,212,785,589,620,517,634,048
  5. Step 5: Solve for x
    x = 12,212,785,589,620,517,634,048/99,496,753,453.20
  6. Step 6: Final answer
    x = 122,745,568,732.20

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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.