Home / 261,515,342.22-360,916,680.87-195,320,971.02

Finding the Fourth Proportional to 261,515,342.22, 360,916,680.87 and 195,320,971.02

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Solution

The fourth proportional to 261,515,342.22, 360,916,680.87 and 195,320,971.02 is: 269,561,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,515,342.22 : 360,916,680.87 = 195,320,971.02 : x
  2. Step 2: Convert to fraction form
    261,515,342.22/360,916,680.87 = 195,320,971.02/x
  3. Step 3: Cross multiply
    261,515,342.22x = 360,916,680.87 × 195,320,971.02
  4. Step 4: Simplify right side
    261,515,342.22x = 70,494,596,564,843,864
  5. Step 5: Solve for x
    x = 70,494,596,564,843,864/261,515,342.22
  6. Step 6: Final answer
    x = 269,561,991.91

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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.