Home / 187,820,942.52-259,154,087.34-108,434,628.34

Finding the Fourth Proportional to 187,820,942.52, 259,154,087.34 and 108,434,628.34

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Solution

The fourth proportional to 187,820,942.52, 259,154,087.34 and 108,434,628.34 is: 149,617,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,820,942.52 : 259,154,087.34 = 108,434,628.34 : x
  2. Step 2: Convert to fraction form
    187,820,942.52/259,154,087.34 = 108,434,628.34/x
  3. Step 3: Cross multiply
    187,820,942.52x = 259,154,087.34 × 108,434,628.34
  4. Step 4: Simplify right side
    187,820,942.52x = 28,101,277,143,504,800
  5. Step 5: Solve for x
    x = 28,101,277,143,504,800/187,820,942.52
  6. Step 6: Final answer
    x = 149,617,379.01

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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.