Home / 87,342,707.06-130,945,028.62-43,601,016.24

Finding the Fourth Proportional to 87,342,707.06, 130,945,028.62 and 43,601,016.24

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Solution

The fourth proportional to 87,342,707.06, 130,945,028.62 and 43,601,016.24 is: 65,367,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,342,707.06 : 130,945,028.62 = 43,601,016.24 : x
  2. Step 2: Convert to fraction form
    87,342,707.06/130,945,028.62 = 43,601,016.24/x
  3. Step 3: Cross multiply
    87,342,707.06x = 130,945,028.62 × 43,601,016.24
  4. Step 4: Simplify right side
    87,342,707.06x = 5,709,336,319,407,885
  5. Step 5: Solve for x
    x = 5,709,336,319,407,885/87,342,707.06
  6. Step 6: Final answer
    x = 65,367,063.97

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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.