Home / 215,133,467.82-322,561,907.16-141,269,977.68

Finding the Fourth Proportional to 215,133,467.82, 322,561,907.16 and 141,269,977.68

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Solution

The fourth proportional to 215,133,467.82, 322,561,907.16 and 141,269,977.68 is: 211,814,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,133,467.82 : 322,561,907.16 = 141,269,977.68 : x
  2. Step 2: Convert to fraction form
    215,133,467.82/322,561,907.16 = 141,269,977.68/x
  3. Step 3: Cross multiply
    215,133,467.82x = 322,561,907.16 × 141,269,977.68
  4. Step 4: Simplify right side
    215,133,467.82x = 45,568,313,424,911,440
  5. Step 5: Solve for x
    x = 45,568,313,424,911,440/215,133,467.82
  6. Step 6: Final answer
    x = 211,814,153.73

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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.