Home / 115,416,993.05-173,125,834.01-27,978,163.32

Finding the Fourth Proportional to 115,416,993.05, 173,125,834.01 and 27,978,163.32

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Solution

The fourth proportional to 115,416,993.05, 173,125,834.01 and 27,978,163.32 is: 41,967,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,416,993.05 : 173,125,834.01 = 27,978,163.32 : x
  2. Step 2: Convert to fraction form
    115,416,993.05/173,125,834.01 = 27,978,163.32/x
  3. Step 3: Cross multiply
    115,416,993.05x = 173,125,834.01 × 27,978,163.32
  4. Step 4: Simplify right side
    115,416,993.05x = 4,843,742,858,703,100
  5. Step 5: Solve for x
    x = 4,843,742,858,703,100/115,416,993.05
  6. Step 6: Final answer
    x = 41,967,328.47

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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.