Home / 86,221,016.33-118,967,240.58-49,544,501.45

Finding the Fourth Proportional to 86,221,016.33, 118,967,240.58 and 49,544,501.45

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Solution

The fourth proportional to 86,221,016.33, 118,967,240.58 and 49,544,501.45 is: 68,361,205.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,221,016.33 : 118,967,240.58 = 49,544,501.45 : x
  2. Step 2: Convert to fraction form
    86,221,016.33/118,967,240.58 = 49,544,501.45/x
  3. Step 3: Cross multiply
    86,221,016.33x = 118,967,240.58 × 49,544,501.45
  4. Step 4: Simplify right side
    86,221,016.33x = 5,894,172,622,916,121
  5. Step 5: Solve for x
    x = 5,894,172,622,916,121/86,221,016.33
  6. Step 6: Final answer
    x = 68,361,205.59

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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.