Home / 82,016,087.60-123,024,131.40-47,919,882.80

Finding the Fourth Proportional to 82,016,087.60, 123,024,131.40 and 47,919,882.80

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Solution

The fourth proportional to 82,016,087.60, 123,024,131.40 and 47,919,882.80 is: 71,879,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,016,087.60 : 123,024,131.40 = 47,919,882.80 : x
  2. Step 2: Convert to fraction form
    82,016,087.60/123,024,131.40 = 47,919,882.80/x
  3. Step 3: Cross multiply
    82,016,087.60x = 123,024,131.40 × 47,919,882.80
  4. Step 4: Simplify right side
    82,016,087.60x = 5,895,301,958,259,800
  5. Step 5: Solve for x
    x = 5,895,301,958,259,800/82,016,087.60
  6. Step 6: Final answer
    x = 71,879,824.20

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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.