Home / 82,204,955.60-123,218,959.80-31,067,214.80

Finding the Fourth Proportional to 82,204,955.60, 123,218,959.80 and 31,067,214.80

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Solution

The fourth proportional to 82,204,955.60, 123,218,959.80 and 31,067,214.80 is: 46,567,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,204,955.60 : 123,218,959.80 = 31,067,214.80 : x
  2. Step 2: Convert to fraction form
    82,204,955.60/123,218,959.80 = 31,067,214.80/x
  3. Step 3: Cross multiply
    82,204,955.60x = 123,218,959.80 × 31,067,214.80
  4. Step 4: Simplify right side
    82,204,955.60x = 3,828,069,891,539,165
  5. Step 5: Solve for x
    x = 3,828,069,891,539,165/82,204,955.60
  6. Step 6: Final answer
    x = 46,567,385.91

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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.