Home / 255,367,455.39-382,740,943.91-138,505,696.92

Finding the Fourth Proportional to 255,367,455.39, 382,740,943.91 and 138,505,696.92

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Solution

The fourth proportional to 255,367,455.39, 382,740,943.91 and 138,505,696.92 is: 207,590,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,367,455.39 : 382,740,943.91 = 138,505,696.92 : x
  2. Step 2: Convert to fraction form
    255,367,455.39/382,740,943.91 = 138,505,696.92/x
  3. Step 3: Cross multiply
    255,367,455.39x = 382,740,943.91 × 138,505,696.92
  4. Step 4: Simplify right side
    255,367,455.39x = 53,011,801,175,380,640
  5. Step 5: Solve for x
    x = 53,011,801,175,380,640/255,367,455.39
  6. Step 6: Final answer
    x = 207,590,278.47

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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.