Home / 51,640,220.96-71,263,970.88-28,436,170.40

Finding the Fourth Proportional to 51,640,220.96, 71,263,970.88 and 28,436,170.40

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Solution

The fourth proportional to 51,640,220.96, 71,263,970.88 and 28,436,170.40 is: 39,242,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,640,220.96 : 71,263,970.88 = 28,436,170.40 : x
  2. Step 2: Convert to fraction form
    51,640,220.96/71,263,970.88 = 28,436,170.40/x
  3. Step 3: Cross multiply
    51,640,220.96x = 71,263,970.88 × 28,436,170.40
  4. Step 4: Simplify right side
    51,640,220.96x = 2,026,474,419,324,317.75
  5. Step 5: Solve for x
    x = 2,026,474,419,324,317.75/51,640,220.96
  6. Step 6: Final answer
    x = 39,242,171.73

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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.