Home / 216,189,525.86-324,607,877.30-187,133,481.26

Finding the Fourth Proportional to 216,189,525.86, 324,607,877.30 and 187,133,481.26

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Solution

The fourth proportional to 216,189,525.86, 324,607,877.30 and 187,133,481.26 is: 280,980,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,189,525.86 : 324,607,877.30 = 187,133,481.26 : x
  2. Step 2: Convert to fraction form
    216,189,525.86/324,607,877.30 = 187,133,481.26/x
  3. Step 3: Cross multiply
    216,189,525.86x = 324,607,877.30 × 187,133,481.26
  4. Step 4: Simplify right side
    216,189,525.86x = 60,745,002,123,567,928
  5. Step 5: Solve for x
    x = 60,745,002,123,567,928/216,189,525.86
  6. Step 6: Final answer
    x = 280,980,319.85

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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.