Home / 51,709,939.78-71,357,137.95-29,379,976.35

Finding the Fourth Proportional to 51,709,939.78, 71,357,137.95 and 29,379,976.35

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Solution

The fourth proportional to 51,709,939.78, 71,357,137.95 and 29,379,976.35 is: 40,542,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,709,939.78 : 71,357,137.95 = 29,379,976.35 : x
  2. Step 2: Convert to fraction form
    51,709,939.78/71,357,137.95 = 29,379,976.35/x
  3. Step 3: Cross multiply
    51,709,939.78x = 71,357,137.95 × 29,379,976.35
  4. Step 4: Simplify right side
    51,709,939.78x = 2,096,471,025,374,687.75
  5. Step 5: Solve for x
    x = 2,096,471,025,374,687.75/51,709,939.78
  6. Step 6: Final answer
    x = 40,542,902.09

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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.