Home / 266,948,989.43-400,277,188.79-82,665,304.15

Finding the Fourth Proportional to 266,948,989.43, 400,277,188.79 and 82,665,304.15

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Solution

The fourth proportional to 266,948,989.43, 400,277,188.79 and 82,665,304.15 is: 123,952,653.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,948,989.43 : 400,277,188.79 = 82,665,304.15 : x
  2. Step 2: Convert to fraction form
    266,948,989.43/400,277,188.79 = 82,665,304.15/x
  3. Step 3: Cross multiply
    266,948,989.43x = 400,277,188.79 × 82,665,304.15
  4. Step 4: Simplify right side
    266,948,989.43x = 33,089,035,556,403,592
  5. Step 5: Solve for x
    x = 33,089,035,556,403,592/266,948,989.43
  6. Step 6: Final answer
    x = 123,952,653.38

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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.