Home / 217,038,846.40-325,936,183.20-115,002,174.40

Finding the Fourth Proportional to 217,038,846.40, 325,936,183.20 and 115,002,174.40

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Solution

The fourth proportional to 217,038,846.40, 325,936,183.20 and 115,002,174.40 is: 172,703,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,038,846.40 : 325,936,183.20 = 115,002,174.40 : x
  2. Step 2: Convert to fraction form
    217,038,846.40/325,936,183.20 = 115,002,174.40/x
  3. Step 3: Cross multiply
    217,038,846.40x = 325,936,183.20 × 115,002,174.40
  4. Step 4: Simplify right side
    217,038,846.40x = 37,483,369,783,636,752
  5. Step 5: Solve for x
    x = 37,483,369,783,636,752/217,038,846.40
  6. Step 6: Final answer
    x = 172,703,506.33

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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.