Home / 99,496,753,451.70-149,245,130,177.55-81,830,379,153.30

Finding the Fourth Proportional to 99,496,753,451.70, 149,245,130,177.55 and 81,830,379,153.30

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Solution

The fourth proportional to 99,496,753,451.70, 149,245,130,177.55 and 81,830,379,153.30 is: 122,745,568,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,496,753,451.70 : 149,245,130,177.55 = 81,830,379,153.30 : x
  2. Step 2: Convert to fraction form
    99,496,753,451.70/149,245,130,177.55 = 81,830,379,153.30/x
  3. Step 3: Cross multiply
    99,496,753,451.70x = 149,245,130,177.55 × 81,830,379,153.30
  4. Step 4: Simplify right side
    99,496,753,451.70x = 12,212,785,589,212,531,392,512
  5. Step 5: Solve for x
    x = 12,212,785,589,212,531,392,512/99,496,753,451.70
  6. Step 6: Final answer
    x = 122,745,568,729.95

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1.5x scale

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.