Home / 282,467,174.45-423,702,114.89-85,732,296.66

Finding the Fourth Proportional to 282,467,174.45, 423,702,114.89 and 85,732,296.66

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Solution

The fourth proportional to 282,467,174.45, 423,702,114.89 and 85,732,296.66 is: 128,598,855.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,467,174.45 : 423,702,114.89 = 85,732,296.66 : x
  2. Step 2: Convert to fraction form
    282,467,174.45/423,702,114.89 = 85,732,296.66/x
  3. Step 3: Cross multiply
    282,467,174.45x = 423,702,114.89 × 85,732,296.66
  4. Step 4: Simplify right side
    282,467,174.45x = 36,324,955,408,790,216
  5. Step 5: Solve for x
    x = 36,324,955,408,790,216/282,467,174.45
  6. Step 6: Final answer
    x = 128,598,855.71

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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.