Home / 187,467,269.82-281,201,839.67-76,863,352.92

Finding the Fourth Proportional to 187,467,269.82, 281,201,839.67 and 76,863,352.92

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Solution

The fourth proportional to 187,467,269.82, 281,201,839.67 and 76,863,352.92 is: 115,295,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,467,269.82 : 281,201,839.67 = 76,863,352.92 : x
  2. Step 2: Convert to fraction form
    187,467,269.82/281,201,839.67 = 76,863,352.92/x
  3. Step 3: Cross multiply
    187,467,269.82x = 281,201,839.67 × 76,863,352.92
  4. Step 4: Simplify right side
    187,467,269.82x = 21,614,116,244,308,468
  5. Step 5: Solve for x
    x = 21,614,116,244,308,468/187,467,269.82
  6. Step 6: Final answer
    x = 115,295,412.71

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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.