Home / 85,855,588.75-118,469,958.87-58,038,822.79

Finding the Fourth Proportional to 85,855,588.75, 118,469,958.87 and 58,038,822.79

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Solution

The fourth proportional to 85,855,588.75, 118,469,958.87 and 58,038,822.79 is: 80,086,305.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,855,588.75 : 118,469,958.87 = 58,038,822.79 : x
  2. Step 2: Convert to fraction form
    85,855,588.75/118,469,958.87 = 58,038,822.79/x
  3. Step 3: Cross multiply
    85,855,588.75x = 118,469,958.87 × 58,038,822.79
  4. Step 4: Simplify right side
    85,855,588.75x = 6,875,856,948,794,519
  5. Step 5: Solve for x
    x = 6,875,856,948,794,519/85,855,588.75
  6. Step 6: Final answer
    x = 80,086,305.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.