Home / 99,987,138.78-149,949,694.07-35,275,811.10

Finding the Fourth Proportional to 99,987,138.78, 149,949,694.07 and 35,275,811.10

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Solution

The fourth proportional to 99,987,138.78, 149,949,694.07 and 35,275,811.10 is: 52,902,774.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,987,138.78 : 149,949,694.07 = 35,275,811.10 : x
  2. Step 2: Convert to fraction form
    99,987,138.78/149,949,694.07 = 35,275,811.10/x
  3. Step 3: Cross multiply
    99,987,138.78x = 149,949,694.07 × 35,275,811.10
  4. Step 4: Simplify right side
    99,987,138.78x = 5,289,597,082,516,110
  5. Step 5: Solve for x
    x = 5,289,597,082,516,110/99,987,138.78
  6. Step 6: Final answer
    x = 52,902,774.77

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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.