Home / 55,241,748.29-82,862,607.86-18,850,135.73

Finding the Fourth Proportional to 55,241,748.29, 82,862,607.86 and 18,850,135.73

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Solution

The fourth proportional to 55,241,748.29, 82,862,607.86 and 18,850,135.73 is: 28,275,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,241,748.29 : 82,862,607.86 = 18,850,135.73 : x
  2. Step 2: Convert to fraction form
    55,241,748.29/82,862,607.86 = 18,850,135.73/x
  3. Step 3: Cross multiply
    55,241,748.29x = 82,862,607.86 × 18,850,135.73
  4. Step 4: Simplify right side
    55,241,748.29x = 1,561,971,404,664,889.25
  5. Step 5: Solve for x
    x = 1,561,971,404,664,889.25/55,241,748.29
  6. Step 6: Final answer
    x = 28,275,198.61

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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.