Home / 131,233,701.86-181,108,010.45-75,479,137.82

Finding the Fourth Proportional to 131,233,701.86, 181,108,010.45 and 75,479,137.82

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Solution

The fourth proportional to 131,233,701.86, 181,108,010.45 and 75,479,137.82 is: 104,164,374.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,233,701.86 : 181,108,010.45 = 75,479,137.82 : x
  2. Step 2: Convert to fraction form
    131,233,701.86/181,108,010.45 = 75,479,137.82/x
  3. Step 3: Cross multiply
    131,233,701.86x = 181,108,010.45 × 75,479,137.82
  4. Step 4: Simplify right side
    131,233,701.86x = 13,669,876,481,618,404
  5. Step 5: Solve for x
    x = 13,669,876,481,618,404/131,233,701.86
  6. Step 6: Final answer
    x = 104,164,374.61

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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.