Home / 53,407,040.31-80,112,193.83-18,391,778.73

Finding the Fourth Proportional to 53,407,040.31, 80,112,193.83 and 18,391,778.73

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Solution

The fourth proportional to 53,407,040.31, 80,112,193.83 and 18,391,778.73 is: 27,588,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,407,040.31 : 80,112,193.83 = 18,391,778.73 : x
  2. Step 2: Convert to fraction form
    53,407,040.31/80,112,193.83 = 18,391,778.73/x
  3. Step 3: Cross multiply
    53,407,040.31x = 80,112,193.83 × 18,391,778.73
  4. Step 4: Simplify right side
    53,407,040.31x = 1,473,405,742,496,231.25
  5. Step 5: Solve for x
    x = 1,473,405,742,496,231.25/53,407,040.31
  6. Step 6: Final answer
    x = 27,588,230.58

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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.