Home / 85,545,141.70-128,266,468.36-27,227,629.38

Finding the Fourth Proportional to 85,545,141.70, 128,266,468.36 and 27,227,629.38

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Solution

The fourth proportional to 85,545,141.70, 128,266,468.36 and 27,227,629.38 is: 40,825,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,545,141.70 : 128,266,468.36 = 27,227,629.38 : x
  2. Step 2: Convert to fraction form
    85,545,141.70/128,266,468.36 = 27,227,629.38/x
  3. Step 3: Cross multiply
    85,545,141.70x = 128,266,468.36 × 27,227,629.38
  4. Step 4: Simplify right side
    85,545,141.70x = 3,492,391,862,387,576.50
  5. Step 5: Solve for x
    x = 3,492,391,862,387,576.50/85,545,141.70
  6. Step 6: Final answer
    x = 40,825,133.88

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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.