Home / 215,631,967.73-323,481,393.56-91,135,120.46

Finding the Fourth Proportional to 215,631,967.73, 323,481,393.56 and 91,135,120.46

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Solution

The fourth proportional to 215,631,967.73, 323,481,393.56 and 91,135,120.46 is: 136,716,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,631,967.73 : 323,481,393.56 = 91,135,120.46 : x
  2. Step 2: Convert to fraction form
    215,631,967.73/323,481,393.56 = 91,135,120.46/x
  3. Step 3: Cross multiply
    215,631,967.73x = 323,481,393.56 × 91,135,120.46
  4. Step 4: Simplify right side
    215,631,967.73x = 29,480,515,767,853,336
  5. Step 5: Solve for x
    x = 29,480,515,767,853,336/215,631,967.73
  6. Step 6: Final answer
    x = 136,716,814.66

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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.