Home / 68,905,702.55-95,092,022.44-39,542,406.32

Finding the Fourth Proportional to 68,905,702.55, 95,092,022.44 and 39,542,406.32

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Solution

The fourth proportional to 68,905,702.55, 95,092,022.44 and 39,542,406.32 is: 54,569,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,905,702.55 : 95,092,022.44 = 39,542,406.32 : x
  2. Step 2: Convert to fraction form
    68,905,702.55/95,092,022.44 = 39,542,406.32/x
  3. Step 3: Cross multiply
    68,905,702.55x = 95,092,022.44 × 39,542,406.32
  4. Step 4: Simplify right side
    68,905,702.55x = 3,760,167,388,915,326
  5. Step 5: Solve for x
    x = 3,760,167,388,915,326/68,905,702.55
  6. Step 6: Final answer
    x = 54,569,756.20

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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.