Home / 85,092,904.85-117,431,340.91-47,419,454.23

Finding the Fourth Proportional to 85,092,904.85, 117,431,340.91 and 47,419,454.23

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Solution

The fourth proportional to 85,092,904.85, 117,431,340.91 and 47,419,454.23 is: 65,440,592.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,092,904.85 : 117,431,340.91 = 47,419,454.23 : x
  2. Step 2: Convert to fraction form
    85,092,904.85/117,431,340.91 = 47,419,454.23/x
  3. Step 3: Cross multiply
    85,092,904.85x = 117,431,340.91 × 47,419,454.23
  4. Step 4: Simplify right side
    85,092,904.85x = 5,568,530,095,037,144
  5. Step 5: Solve for x
    x = 5,568,530,095,037,144/85,092,904.85
  6. Step 6: Final answer
    x = 65,440,592.32

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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.