Home / 217,038,858.40-325,936,201.20-115,002,186.40

Finding the Fourth Proportional to 217,038,858.40, 325,936,201.20 and 115,002,186.40

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Solution

The fourth proportional to 217,038,858.40, 325,936,201.20 and 115,002,186.40 is: 172,703,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,038,858.40 : 325,936,201.20 = 115,002,186.40 : x
  2. Step 2: Convert to fraction form
    217,038,858.40/325,936,201.20 = 115,002,186.40/x
  3. Step 3: Cross multiply
    217,038,858.40x = 325,936,201.20 × 115,002,186.40
  4. Step 4: Simplify right side
    217,038,858.40x = 37,483,375,764,910,304
  5. Step 5: Solve for x
    x = 37,483,375,764,910,304/217,038,858.40
  6. Step 6: Final answer
    x = 172,703,524.34

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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.