Home / 85,545,145.71-128,266,474.37-27,227,633.37

Finding the Fourth Proportional to 85,545,145.71, 128,266,474.37 and 27,227,633.37

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Solution

The fourth proportional to 85,545,145.71, 128,266,474.37 and 27,227,633.37 is: 40,825,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,545,145.71 : 128,266,474.37 = 27,227,633.37 : x
  2. Step 2: Convert to fraction form
    85,545,145.71/128,266,474.37 = 27,227,633.37/x
  3. Step 3: Cross multiply
    85,545,145.71x = 128,266,474.37 × 27,227,633.37
  4. Step 4: Simplify right side
    85,545,145.71x = 3,492,392,537,672,723.50
  5. Step 5: Solve for x
    x = 3,492,392,537,672,723.50/85,545,145.71
  6. Step 6: Final answer
    x = 40,825,139.86

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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.