Home / 106,926,786.82-147,542,110.75-62,280,106.64

Finding the Fourth Proportional to 106,926,786.82, 147,542,110.75 and 62,280,106.64

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Solution

The fourth proportional to 106,926,786.82, 147,542,110.75 and 62,280,106.64 is: 85,936,729.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,926,786.82 : 147,542,110.75 = 62,280,106.64 : x
  2. Step 2: Convert to fraction form
    106,926,786.82/147,542,110.75 = 62,280,106.64/x
  3. Step 3: Cross multiply
    106,926,786.82x = 147,542,110.75 × 62,280,106.64
  4. Step 4: Simplify right side
    106,926,786.82x = 9,188,938,392,053,128
  5. Step 5: Solve for x
    x = 9,188,938,392,053,128/106,926,786.82
  6. Step 6: Final answer
    x = 85,936,729.84

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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.