Home / 80,618,171.94-120,907,327.10-34,554,817.13

Finding the Fourth Proportional to 80,618,171.94, 120,907,327.10 and 34,554,817.13

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Solution

The fourth proportional to 80,618,171.94, 120,907,327.10 and 34,554,817.13 is: 51,823,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,618,171.94 : 120,907,327.10 = 34,554,817.13 : x
  2. Step 2: Convert to fraction form
    80,618,171.94/120,907,327.10 = 34,554,817.13/x
  3. Step 3: Cross multiply
    80,618,171.94x = 120,907,327.10 × 34,554,817.13
  4. Step 4: Simplify right side
    80,618,171.94x = 4,177,930,576,840,282.50
  5. Step 5: Solve for x
    x = 4,177,930,576,840,282.50/80,618,171.94
  6. Step 6: Final answer
    x = 51,823,682.88

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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.