Home / 86,193,679.74-118,949,789.97-47,037,978.54

Finding the Fourth Proportional to 86,193,679.74, 118,949,789.97 and 47,037,978.54

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Solution

The fourth proportional to 86,193,679.74, 118,949,789.97 and 47,037,978.54 is: 64,913,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,193,679.74 : 118,949,789.97 = 47,037,978.54 : x
  2. Step 2: Convert to fraction form
    86,193,679.74/118,949,789.97 = 47,037,978.54/x
  3. Step 3: Cross multiply
    86,193,679.74x = 118,949,789.97 × 47,037,978.54
  4. Step 4: Simplify right side
    86,193,679.74x = 5,595,157,667,946,367
  5. Step 5: Solve for x
    x = 5,595,157,667,946,367/86,193,679.74
  6. Step 6: Final answer
    x = 64,913,781.21

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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.