Home / 55,331,859.80-82,997,789.70-28,458,003.80

Finding the Fourth Proportional to 55,331,859.80, 82,997,789.70 and 28,458,003.80

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Solution

The fourth proportional to 55,331,859.80, 82,997,789.70 and 28,458,003.80 is: 42,687,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,331,859.80 : 82,997,789.70 = 28,458,003.80 : x
  2. Step 2: Convert to fraction form
    55,331,859.80/82,997,789.70 = 28,458,003.80/x
  3. Step 3: Cross multiply
    55,331,859.80x = 82,997,789.70 × 28,458,003.80
  4. Step 4: Simplify right side
    55,331,859.80x = 2,361,951,414,674,201
  5. Step 5: Solve for x
    x = 2,361,951,414,674,201/55,331,859.80
  6. Step 6: Final answer
    x = 42,687,005.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.