Home / 204,890,444.46-307,339,668.90-75,431,416.86

Finding the Fourth Proportional to 204,890,444.46, 307,339,668.90 and 75,431,416.86

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Solution

The fourth proportional to 204,890,444.46, 307,339,668.90 and 75,431,416.86 is: 113,148,598.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,890,444.46 : 307,339,668.90 = 75,431,416.86 : x
  2. Step 2: Convert to fraction form
    204,890,444.46/307,339,668.90 = 75,431,416.86/x
  3. Step 3: Cross multiply
    204,890,444.46x = 307,339,668.90 × 75,431,416.86
  4. Step 4: Simplify right side
    204,890,444.46x = 23,183,066,682,410,276
  5. Step 5: Solve for x
    x = 23,183,066,682,410,276/204,890,444.46
  6. Step 6: Final answer
    x = 113,148,598.72

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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.