Home / 63,731,858.80-95,597,788.20-20,631,993.70

Finding the Fourth Proportional to 63,731,858.80, 95,597,788.20 and 20,631,993.70

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Solution

The fourth proportional to 63,731,858.80, 95,597,788.20 and 20,631,993.70 is: 30,947,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,731,858.80 : 95,597,788.20 = 20,631,993.70 : x
  2. Step 2: Convert to fraction form
    63,731,858.80/95,597,788.20 = 20,631,993.70/x
  3. Step 3: Cross multiply
    63,731,858.80x = 95,597,788.20 × 20,631,993.70
  4. Step 4: Simplify right side
    63,731,858.80x = 1,972,372,963,876,334.25
  5. Step 5: Solve for x
    x = 1,972,372,963,876,334.25/63,731,858.80
  6. Step 6: Final answer
    x = 30,947,990.55

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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.