Home / 215,631,974.74-323,481,404.08-91,135,127.48

Finding the Fourth Proportional to 215,631,974.74, 323,481,404.08 and 91,135,127.48

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Solution

The fourth proportional to 215,631,974.74, 323,481,404.08 and 91,135,127.48 is: 136,716,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,631,974.74 : 323,481,404.08 = 91,135,127.48 : x
  2. Step 2: Convert to fraction form
    215,631,974.74/323,481,404.08 = 91,135,127.48/x
  3. Step 3: Cross multiply
    215,631,974.74x = 323,481,404.08 × 91,135,127.48
  4. Step 4: Simplify right side
    215,631,974.74x = 29,480,518,998,240,192
  5. Step 5: Solve for x
    x = 29,480,518,998,240,192/215,631,974.74
  6. Step 6: Final answer
    x = 136,716,825.20

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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.