Home / 205,434,226.78-307,958,443.52-69,024,213.34

Finding the Fourth Proportional to 205,434,226.78, 307,958,443.52 and 69,024,213.34

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Solution

The fourth proportional to 205,434,226.78, 307,958,443.52 and 69,024,213.34 is: 103,471,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,434,226.78 : 307,958,443.52 = 69,024,213.34 : x
  2. Step 2: Convert to fraction form
    205,434,226.78/307,958,443.52 = 69,024,213.34/x
  3. Step 3: Cross multiply
    205,434,226.78x = 307,958,443.52 × 69,024,213.34
  4. Step 4: Simplify right side
    205,434,226.78x = 21,256,589,305,378,820
  5. Step 5: Solve for x
    x = 21,256,589,305,378,820/205,434,226.78
  6. Step 6: Final answer
    x = 103,471,508.32

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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.