Home / 66,850,694.25-92,231,905.70-40,379,156.94

Finding the Fourth Proportional to 66,850,694.25, 92,231,905.70 and 40,379,156.94

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Solution

The fourth proportional to 66,850,694.25, 92,231,905.70 and 40,379,156.94 is: 55,709,916.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,850,694.25 : 92,231,905.70 = 40,379,156.94 : x
  2. Step 2: Convert to fraction form
    66,850,694.25/92,231,905.70 = 40,379,156.94/x
  3. Step 3: Cross multiply
    66,850,694.25x = 92,231,905.70 × 40,379,156.94
  4. Step 4: Simplify right side
    66,850,694.25x = 3,724,246,595,135,580.50
  5. Step 5: Solve for x
    x = 3,724,246,595,135,580.50/66,850,694.25
  6. Step 6: Final answer
    x = 55,709,916.51

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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.