Home / 107,659,621.60-161,296,976.40-65,517,589.60

Finding the Fourth Proportional to 107,659,621.60, 161,296,976.40 and 65,517,589.60

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Solution

The fourth proportional to 107,659,621.60, 161,296,976.40 and 65,517,589.60 is: 98,159,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,659,621.60 : 161,296,976.40 = 65,517,589.60 : x
  2. Step 2: Convert to fraction form
    107,659,621.60/161,296,976.40 = 65,517,589.60/x
  3. Step 3: Cross multiply
    107,659,621.60x = 161,296,976.40 × 65,517,589.60
  4. Step 4: Simplify right side
    107,659,621.60x = 10,567,789,103,496,086
  5. Step 5: Solve for x
    x = 10,567,789,103,496,086/107,659,621.60
  6. Step 6: Final answer
    x = 98,159,262.93

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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.