Home / 56,241,989.75-84,345,713.46-19,841,867.48

Finding the Fourth Proportional to 56,241,989.75, 84,345,713.46 and 19,841,867.48

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Solution

The fourth proportional to 56,241,989.75, 84,345,713.46 and 19,841,867.48 is: 29,756,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,241,989.75 : 84,345,713.46 = 19,841,867.48 : x
  2. Step 2: Convert to fraction form
    56,241,989.75/84,345,713.46 = 19,841,867.48/x
  3. Step 3: Cross multiply
    56,241,989.75x = 84,345,713.46 × 19,841,867.48
  4. Step 4: Simplify right side
    56,241,989.75x = 1,673,576,469,190,236.50
  5. Step 5: Solve for x
    x = 1,673,576,469,190,236.50/56,241,989.75
  6. Step 6: Final answer
    x = 29,756,708.05

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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.