Home / 86,321,380.96-119,122,115.52-47,162,316.88

Finding the Fourth Proportional to 86,321,380.96, 119,122,115.52 and 47,162,316.88

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Solution

The fourth proportional to 86,321,380.96, 119,122,115.52 and 47,162,316.88 is: 65,083,237.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,321,380.96 : 119,122,115.52 = 47,162,316.88 : x
  2. Step 2: Convert to fraction form
    86,321,380.96/119,122,115.52 = 47,162,316.88/x
  3. Step 3: Cross multiply
    86,321,380.96x = 119,122,115.52 × 47,162,316.88
  4. Step 4: Simplify right side
    86,321,380.96x = 5,618,074,959,570,206
  5. Step 5: Solve for x
    x = 5,618,074,959,570,206/86,321,380.96
  6. Step 6: Final answer
    x = 65,083,237.75

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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.