Home / 79,039,198.36-109,085,508.09-45,542,264.71

Finding the Fourth Proportional to 79,039,198.36, 109,085,508.09 and 45,542,264.71

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Solution

The fourth proportional to 79,039,198.36, 109,085,508.09 and 45,542,264.71 is: 62,854,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,039,198.36 : 109,085,508.09 = 45,542,264.71 : x
  2. Step 2: Convert to fraction form
    79,039,198.36/109,085,508.09 = 45,542,264.71/x
  3. Step 3: Cross multiply
    79,039,198.36x = 109,085,508.09 × 45,542,264.71
  4. Step 4: Simplify right side
    79,039,198.36x = 4,968,001,085,212,674
  5. Step 5: Solve for x
    x = 4,968,001,085,212,674/79,039,198.36
  6. Step 6: Final answer
    x = 62,854,902.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.