Home / 137,512,192.86-206,288,796.74-45,405,659.97

Finding the Fourth Proportional to 137,512,192.86, 206,288,796.74 and 45,405,659.97

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Solution

The fourth proportional to 137,512,192.86, 206,288,796.74 and 45,405,659.97 is: 68,115,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,512,192.86 : 206,288,796.74 = 45,405,659.97 : x
  2. Step 2: Convert to fraction form
    137,512,192.86/206,288,796.74 = 45,405,659.97/x
  3. Step 3: Cross multiply
    137,512,192.86x = 206,288,796.74 × 45,405,659.97
  4. Step 4: Simplify right side
    137,512,192.86x = 9,366,678,960,169,856
  5. Step 5: Solve for x
    x = 9,366,678,960,169,856/137,512,192.86
  6. Step 6: Final answer
    x = 68,115,261.38

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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.