Home / 86,062,202.29-129,118,631.21-27,768,786.72

Finding the Fourth Proportional to 86,062,202.29, 129,118,631.21 and 27,768,786.72

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Solution

The fourth proportional to 86,062,202.29, 129,118,631.21 and 27,768,786.72 is: 41,661,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,062,202.29 : 129,118,631.21 = 27,768,786.72 : x
  2. Step 2: Convert to fraction form
    86,062,202.29/129,118,631.21 = 27,768,786.72/x
  3. Step 3: Cross multiply
    86,062,202.29x = 129,118,631.21 × 27,768,786.72
  4. Step 4: Simplify right side
    86,062,202.29x = 3,585,467,731,286,257.50
  5. Step 5: Solve for x
    x = 3,585,467,731,286,257.50/86,062,202.29
  6. Step 6: Final answer
    x = 41,661,352.32

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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.