Home / 85,092,906.35-117,431,342.99-47,419,455.74

Finding the Fourth Proportional to 85,092,906.35, 117,431,342.99 and 47,419,455.74

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Solution

The fourth proportional to 85,092,906.35, 117,431,342.99 and 47,419,455.74 is: 65,440,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,092,906.35 : 117,431,342.99 = 47,419,455.74 : x
  2. Step 2: Convert to fraction form
    85,092,906.35/117,431,342.99 = 47,419,455.74/x
  3. Step 3: Cross multiply
    85,092,906.35x = 117,431,342.99 × 47,419,455.74
  4. Step 4: Simplify right side
    85,092,906.35x = 5,568,530,370,578,810
  5. Step 5: Solve for x
    x = 5,568,530,370,578,810/85,092,906.35
  6. Step 6: Final answer
    x = 65,440,594.40

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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.