Home / 356,027,111.20-534,135,145.20-125,972,207.20

Finding the Fourth Proportional to 356,027,111.20, 534,135,145.20 and 125,972,207.20

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Solution

The fourth proportional to 356,027,111.20, 534,135,145.20 and 125,972,207.20 is: 188,991,739.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,027,111.20 : 534,135,145.20 = 125,972,207.20 : x
  2. Step 2: Convert to fraction form
    356,027,111.20/534,135,145.20 = 125,972,207.20/x
  3. Step 3: Cross multiply
    356,027,111.20x = 534,135,145.20 × 125,972,207.20
  4. Step 4: Simplify right side
    356,027,111.20x = 67,286,183,183,936,488
  5. Step 5: Solve for x
    x = 67,286,183,183,936,488/356,027,111.20
  6. Step 6: Final answer
    x = 188,991,739.86

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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.