Home / 208,632,033.76-287,942,146.80-125,003,467.04

Finding the Fourth Proportional to 208,632,033.76, 287,942,146.80 and 125,003,467.04

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Solution

The fourth proportional to 208,632,033.76, 287,942,146.80 and 125,003,467.04 is: 172,522,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,632,033.76 : 287,942,146.80 = 125,003,467.04 : x
  2. Step 2: Convert to fraction form
    208,632,033.76/287,942,146.80 = 125,003,467.04/x
  3. Step 3: Cross multiply
    208,632,033.76x = 287,942,146.80 × 125,003,467.04
  4. Step 4: Simplify right side
    208,632,033.76x = 35,993,766,656,940,644
  5. Step 5: Solve for x
    x = 35,993,766,656,940,644/208,632,033.76
  6. Step 6: Final answer
    x = 172,522,723.42

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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.