Home / 81,559,939.80-122,339,909.70-27,707,251.80

Finding the Fourth Proportional to 81,559,939.80, 122,339,909.70 and 27,707,251.80

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Solution

The fourth proportional to 81,559,939.80, 122,339,909.70 and 27,707,251.80 is: 41,560,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,559,939.80 : 122,339,909.70 = 27,707,251.80 : x
  2. Step 2: Convert to fraction form
    81,559,939.80/122,339,909.70 = 27,707,251.80/x
  3. Step 3: Cross multiply
    81,559,939.80x = 122,339,909.70 × 27,707,251.80
  4. Step 4: Simplify right side
    81,559,939.80x = 3,389,702,683,247,162.50
  5. Step 5: Solve for x
    x = 3,389,702,683,247,162.50/81,559,939.80
  6. Step 6: Final answer
    x = 41,560,877.70

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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.