Home / 216,189,523.86-324,607,874.30-187,133,479.26

Finding the Fourth Proportional to 216,189,523.86, 324,607,874.30 and 187,133,479.26

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Solution

The fourth proportional to 216,189,523.86, 324,607,874.30 and 187,133,479.26 is: 280,980,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,189,523.86 : 324,607,874.30 = 187,133,479.26 : x
  2. Step 2: Convert to fraction form
    216,189,523.86/324,607,874.30 = 187,133,479.26/x
  3. Step 3: Cross multiply
    216,189,523.86x = 324,607,874.30 × 187,133,479.26
  4. Step 4: Simplify right side
    216,189,523.86x = 60,745,000,912,951,736
  5. Step 5: Solve for x
    x = 60,745,000,912,951,736/216,189,523.86
  6. Step 6: Final answer
    x = 280,980,316.85

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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.