Home / 82,204,973.60-123,218,986.80-31,067,232.80

Finding the Fourth Proportional to 82,204,973.60, 123,218,986.80 and 31,067,232.80

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Solution

The fourth proportional to 82,204,973.60, 123,218,986.80 and 31,067,232.80 is: 46,567,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,204,973.60 : 123,218,986.80 = 31,067,232.80 : x
  2. Step 2: Convert to fraction form
    82,204,973.60/123,218,986.80 = 31,067,232.80/x
  3. Step 3: Cross multiply
    82,204,973.60x = 123,218,986.80 × 31,067,232.80
  4. Step 4: Simplify right side
    82,204,973.60x = 3,828,072,948,295,727
  5. Step 5: Solve for x
    x = 3,828,072,948,295,727/82,204,973.60
  6. Step 6: Final answer
    x = 46,567,412.90

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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.