Home / 148,505,029,411.38-204,936,962,695.66-80,840,133,309.30

Finding the Fourth Proportional to 148,505,029,411.38, 204,936,962,695.66 and 80,840,133,309.30

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Solution

The fourth proportional to 148,505,029,411.38, 204,936,962,695.66 and 80,840,133,309.30 is: 111,559,396,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,505,029,411.38 : 204,936,962,695.66 = 80,840,133,309.30 : x
  2. Step 2: Convert to fraction form
    148,505,029,411.38/204,936,962,695.66 = 80,840,133,309.30/x
  3. Step 3: Cross multiply
    148,505,029,411.38x = 204,936,962,695.66 × 80,840,133,309.30
  4. Step 4: Simplify right side
    148,505,029,411.38x = 16,567,131,384,320,196,870,144
  5. Step 5: Solve for x
    x = 16,567,131,384,320,196,870,144/148,505,029,411.38
  6. Step 6: Final answer
    x = 111,559,396,001.51

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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.