Home / 148,505,029,423.88-204,936,962,712.90-80,840,133,321.80

Finding the Fourth Proportional to 148,505,029,423.88, 204,936,962,712.90 and 80,840,133,321.80

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Solution

The fourth proportional to 148,505,029,423.88, 204,936,962,712.90 and 80,840,133,321.80 is: 111,559,396,018.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,505,029,423.88 : 204,936,962,712.90 = 80,840,133,321.80 : x
  2. Step 2: Convert to fraction form
    148,505,029,423.88/204,936,962,712.90 = 80,840,133,321.80/x
  3. Step 3: Cross multiply
    148,505,029,423.88x = 204,936,962,712.90 × 80,840,133,321.80
  4. Step 4: Simplify right side
    148,505,029,423.88x = 16,567,131,388,275,591,217,152
  5. Step 5: Solve for x
    x = 16,567,131,388,275,591,217,152/148,505,029,423.88
  6. Step 6: Final answer
    x = 111,559,396,018.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.