Home / 86,200,819.32-118,959,650.31-47,045,109.12

Finding the Fourth Proportional to 86,200,819.32, 118,959,650.31 and 47,045,109.12

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Solution

The fourth proportional to 86,200,819.32, 118,959,650.31 and 47,045,109.12 is: 64,923,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,200,819.32 : 118,959,650.31 = 47,045,109.12 : x
  2. Step 2: Convert to fraction form
    86,200,819.32/118,959,650.31 = 47,045,109.12/x
  3. Step 3: Cross multiply
    86,200,819.32x = 118,959,650.31 × 47,045,109.12
  4. Step 4: Simplify right side
    86,200,819.32x = 5,596,469,729,710,992
  5. Step 5: Solve for x
    x = 5,596,469,729,710,992/86,200,819.32
  6. Step 6: Final answer
    x = 64,923,625.71

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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.