Home / 138,094,850.69-207,169,563.72-50,657,179.47

Finding the Fourth Proportional to 138,094,850.69, 207,169,563.72 and 50,657,179.47

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Solution

The fourth proportional to 138,094,850.69, 207,169,563.72 and 50,657,179.47 is: 75,995,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,094,850.69 : 207,169,563.72 = 50,657,179.47 : x
  2. Step 2: Convert to fraction form
    138,094,850.69/207,169,563.72 = 50,657,179.47/x
  3. Step 3: Cross multiply
    138,094,850.69x = 207,169,563.72 × 50,657,179.47
  4. Step 4: Simplify right side
    138,094,850.69x = 10,494,625,770,085,640
  5. Step 5: Solve for x
    x = 10,494,625,770,085,640/138,094,850.69
  6. Step 6: Final answer
    x = 75,995,779.12

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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.