Home / 86,221,039.66-118,967,272.74-49,544,524.78

Finding the Fourth Proportional to 86,221,039.66, 118,967,272.74 and 49,544,524.78

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Solution

The fourth proportional to 86,221,039.66, 118,967,272.74 and 49,544,524.78 is: 68,361,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,221,039.66 : 118,967,272.74 = 49,544,524.78 : x
  2. Step 2: Convert to fraction form
    86,221,039.66/118,967,272.74 = 49,544,524.78/x
  3. Step 3: Cross multiply
    86,221,039.66x = 118,967,272.74 × 49,544,524.78
  4. Step 4: Simplify right side
    86,221,039.66x = 5,894,176,992,275,948
  5. Step 5: Solve for x
    x = 5,894,176,992,275,948/86,221,039.66
  6. Step 6: Final answer
    x = 68,361,237.76

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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.