Home / 205,160,382.12-307,798,105.86-82,424,885.88

Finding the Fourth Proportional to 205,160,382.12, 307,798,105.86 and 82,424,885.88

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Solution

The fourth proportional to 205,160,382.12, 307,798,105.86 and 82,424,885.88 is: 123,660,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,160,382.12 : 307,798,105.86 = 82,424,885.88 : x
  2. Step 2: Convert to fraction form
    205,160,382.12/307,798,105.86 = 82,424,885.88/x
  3. Step 3: Cross multiply
    205,160,382.12x = 307,798,105.86 × 82,424,885.88
  4. Step 4: Simplify right side
    205,160,382.12x = 25,370,223,749,590,660
  5. Step 5: Solve for x
    x = 25,370,223,749,590,660/205,160,382.12
  6. Step 6: Final answer
    x = 123,660,443.05

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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.