Home / 51,738,921.92-71,387,436.70-29,410,155.52

Finding the Fourth Proportional to 51,738,921.92, 71,387,436.70 and 29,410,155.52

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Solution

The fourth proportional to 51,738,921.92, 71,387,436.70 and 29,410,155.52 is: 40,579,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,738,921.92 : 71,387,436.70 = 29,410,155.52 : x
  2. Step 2: Convert to fraction form
    51,738,921.92/71,387,436.70 = 29,410,155.52/x
  3. Step 3: Cross multiply
    51,738,921.92x = 71,387,436.70 × 29,410,155.52
  4. Step 4: Simplify right side
    51,738,921.92x = 2,099,515,615,521,155.75
  5. Step 5: Solve for x
    x = 2,099,515,615,521,155.75/51,738,921.92
  6. Step 6: Final answer
    x = 40,579,036.78

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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.