Home / 66,850,696.12-92,231,908.29-40,379,158.82

Finding the Fourth Proportional to 66,850,696.12, 92,231,908.29 and 40,379,158.82

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Solution

The fourth proportional to 66,850,696.12, 92,231,908.29 and 40,379,158.82 is: 55,709,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,850,696.12 : 92,231,908.29 = 40,379,158.82 : x
  2. Step 2: Convert to fraction form
    66,850,696.12/92,231,908.29 = 40,379,158.82/x
  3. Step 3: Cross multiply
    66,850,696.12x = 92,231,908.29 × 40,379,158.82
  4. Step 4: Simplify right side
    66,850,696.12x = 3,724,246,872,681,109
  5. Step 5: Solve for x
    x = 3,724,246,872,681,109/66,850,696.12
  6. Step 6: Final answer
    x = 55,709,919.10

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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.