Home / 91,968,488.39-137,979,359.99-27,273,850.40

Finding the Fourth Proportional to 91,968,488.39, 137,979,359.99 and 27,273,850.40

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Solution

The fourth proportional to 91,968,488.39, 137,979,359.99 and 27,273,850.40 is: 40,918,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,968,488.39 : 137,979,359.99 = 27,273,850.40 : x
  2. Step 2: Convert to fraction form
    91,968,488.39/137,979,359.99 = 27,273,850.40/x
  3. Step 3: Cross multiply
    91,968,488.39x = 137,979,359.99 × 27,273,850.40
  4. Step 4: Simplify right side
    91,968,488.39x = 3,763,228,422,965,862
  5. Step 5: Solve for x
    x = 3,763,228,422,965,862/91,968,488.39
  6. Step 6: Final answer
    x = 40,918,672.13

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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.