Home / 171,396,505.52-236,599,561.88-115,717,355

Finding the Fourth Proportional to 171,396,505.52, 236,599,561.88 and 115,717,355

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Solution

The fourth proportional to 171,396,505.52, 236,599,561.88 and 115,717,355 is: 159,738,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,396,505.52 : 236,599,561.88 = 115,717,355 : x
  2. Step 2: Convert to fraction form
    171,396,505.52/236,599,561.88 = 115,717,355/x
  3. Step 3: Cross multiply
    171,396,505.52x = 236,599,561.88 × 115,717,355
  4. Step 4: Simplify right side
    171,396,505.52x = 27,378,675,494,912,428
  5. Step 5: Solve for x
    x = 27,378,675,494,912,428/171,396,505.52
  6. Step 6: Final answer
    x = 159,738,819.71

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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.