Home / 81,576,510.30-122,364,765.45-27,723,822.30

Finding the Fourth Proportional to 81,576,510.30, 122,364,765.45 and 27,723,822.30

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Solution

The fourth proportional to 81,576,510.30, 122,364,765.45 and 27,723,822.30 is: 41,585,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,576,510.30 : 122,364,765.45 = 27,723,822.30 : x
  2. Step 2: Convert to fraction form
    81,576,510.30/122,364,765.45 = 27,723,822.30/x
  3. Step 3: Cross multiply
    81,576,510.30x = 122,364,765.45 × 27,723,822.30
  4. Step 4: Simplify right side
    81,576,510.30x = 3,392,419,013,116,979.50
  5. Step 5: Solve for x
    x = 3,392,419,013,116,979.50/81,576,510.30
  6. Step 6: Final answer
    x = 41,585,733.45

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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.