Home / 86,221,022.58-118,967,249.19-49,544,507.70

Finding the Fourth Proportional to 86,221,022.58, 118,967,249.19 and 49,544,507.70

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Solution

The fourth proportional to 86,221,022.58, 118,967,249.19 and 49,544,507.70 is: 68,361,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,221,022.58 : 118,967,249.19 = 49,544,507.70 : x
  2. Step 2: Convert to fraction form
    86,221,022.58/118,967,249.19 = 49,544,507.70/x
  3. Step 3: Cross multiply
    86,221,022.58x = 118,967,249.19 × 49,544,507.70
  4. Step 4: Simplify right side
    86,221,022.58x = 5,894,173,793,541,774
  5. Step 5: Solve for x
    x = 5,894,173,793,541,774/86,221,022.58
  6. Step 6: Final answer
    x = 68,361,214.20

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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.