Home / 86,321,372.09-119,122,103.27-47,162,308.01

Finding the Fourth Proportional to 86,321,372.09, 119,122,103.27 and 47,162,308.01

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Solution

The fourth proportional to 86,321,372.09, 119,122,103.27 and 47,162,308.01 is: 65,083,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,321,372.09 : 119,122,103.27 = 47,162,308.01 : x
  2. Step 2: Convert to fraction form
    86,321,372.09/119,122,103.27 = 47,162,308.01/x
  3. Step 3: Cross multiply
    86,321,372.09x = 119,122,103.27 × 47,162,308.01
  4. Step 4: Simplify right side
    86,321,372.09x = 5,618,073,324,741,063
  5. Step 5: Solve for x
    x = 5,618,073,324,741,063/86,321,372.09
  6. Step 6: Final answer
    x = 65,083,225.50

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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.