Home / 115,416,998.56-173,125,842.24-27,978,168.82

Finding the Fourth Proportional to 115,416,998.56, 173,125,842.24 and 27,978,168.82

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Solution

The fourth proportional to 115,416,998.56, 173,125,842.24 and 27,978,168.82 is: 41,967,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,416,998.56 : 173,125,842.24 = 27,978,168.82 : x
  2. Step 2: Convert to fraction form
    115,416,998.56/173,125,842.24 = 27,978,168.82/x
  3. Step 3: Cross multiply
    115,416,998.56x = 173,125,842.24 × 27,978,168.82
  4. Step 4: Simplify right side
    115,416,998.56x = 4,843,744,041,295,407
  5. Step 5: Solve for x
    x = 4,843,744,041,295,407/115,416,998.56
  6. Step 6: Final answer
    x = 41,967,336.72

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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.