Home / 55,124,982.31-82,699,930.68-18,236,785.77

Finding the Fourth Proportional to 55,124,982.31, 82,699,930.68 and 18,236,785.77

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Solution

The fourth proportional to 55,124,982.31, 82,699,930.68 and 18,236,785.77 is: 27,359,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124,982.31 : 82,699,930.68 = 18,236,785.77 : x
  2. Step 2: Convert to fraction form
    55,124,982.31/82,699,930.68 = 18,236,785.77/x
  3. Step 3: Cross multiply
    55,124,982.31x = 82,699,930.68 × 18,236,785.77
  4. Step 4: Simplify right side
    55,124,982.31x = 1,508,180,919,005,010.50
  5. Step 5: Solve for x
    x = 1,508,180,919,005,010.50/55,124,982.31
  6. Step 6: Final answer
    x = 27,359,299.83

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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.