Home / 202,170,097.48-303,292,940.82-81,010,997.32

Finding the Fourth Proportional to 202,170,097.48, 303,292,940.82 and 81,010,997.32

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Solution

The fourth proportional to 202,170,097.48, 303,292,940.82 and 81,010,997.32 is: 121,531,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,170,097.48 : 303,292,940.82 = 81,010,997.32 : x
  2. Step 2: Convert to fraction form
    202,170,097.48/303,292,940.82 = 81,010,997.32/x
  3. Step 3: Cross multiply
    202,170,097.48x = 303,292,940.82 × 81,010,997.32
  4. Step 4: Simplify right side
    202,170,097.48x = 24,570,063,615,943,936
  5. Step 5: Solve for x
    x = 24,570,063,615,943,936/202,170,097.48
  6. Step 6: Final answer
    x = 121,531,640.55

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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.