Home / 86,906,467.06-119,928,995.78-47,212,972.02

Finding the Fourth Proportional to 86,906,467.06, 119,928,995.78 and 47,212,972.02

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Solution

The fourth proportional to 86,906,467.06, 119,928,995.78 and 47,212,972.02 is: 65,152,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,906,467.06 : 119,928,995.78 = 47,212,972.02 : x
  2. Step 2: Convert to fraction form
    86,906,467.06/119,928,995.78 = 47,212,972.02/x
  3. Step 3: Cross multiply
    86,906,467.06x = 119,928,995.78 × 47,212,972.02
  4. Step 4: Simplify right side
    86,906,467.06x = 5,662,204,321,911,774
  5. Step 5: Solve for x
    x = 5,662,204,321,911,774/86,906,467.06
  6. Step 6: Final answer
    x = 65,152,853.56

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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.