Home / 46,591,745.20-69,886,961.70-21,032,713.60

Finding the Fourth Proportional to 46,591,745.20, 69,886,961.70 and 21,032,713.60

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Solution

The fourth proportional to 46,591,745.20, 69,886,961.70 and 21,032,713.60 is: 31,548,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,591,745.20 : 69,886,961.70 = 21,032,713.60 : x
  2. Step 2: Convert to fraction form
    46,591,745.20/69,886,961.70 = 21,032,713.60/x
  3. Step 3: Cross multiply
    46,591,745.20x = 69,886,961.70 × 21,032,713.60
  4. Step 4: Simplify right side
    46,591,745.20x = 1,469,912,449,810,269.25
  5. Step 5: Solve for x
    x = 1,469,912,449,810,269.25/46,591,745.20
  6. Step 6: Final answer
    x = 31,548,774.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.