Home / 99,496,753,313.70-149,245,129,970.55-81,830,379,015.30

Finding the Fourth Proportional to 99,496,753,313.70, 149,245,129,970.55 and 81,830,379,015.30

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Solution

The fourth proportional to 99,496,753,313.70, 149,245,129,970.55 and 81,830,379,015.30 is: 122,745,568,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,496,753,313.70 : 149,245,129,970.55 = 81,830,379,015.30 : x
  2. Step 2: Convert to fraction form
    99,496,753,313.70/149,245,129,970.55 = 81,830,379,015.30/x
  3. Step 3: Cross multiply
    99,496,753,313.70x = 149,245,129,970.55 × 81,830,379,015.30
  4. Step 4: Simplify right side
    99,496,753,313.70x = 12,212,785,551,677,816,045,568
  5. Step 5: Solve for x
    x = 12,212,785,551,677,816,045,568/99,496,753,313.70
  6. Step 6: Final answer
    x = 122,745,568,522.95

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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.