Home / 63,731,854.80-95,597,782.20-20,631,989.70

Finding the Fourth Proportional to 63,731,854.80, 95,597,782.20 and 20,631,989.70

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Solution

The fourth proportional to 63,731,854.80, 95,597,782.20 and 20,631,989.70 is: 30,947,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,731,854.80 : 95,597,782.20 = 20,631,989.70 : x
  2. Step 2: Convert to fraction form
    63,731,854.80/95,597,782.20 = 20,631,989.70/x
  3. Step 3: Cross multiply
    63,731,854.80x = 95,597,782.20 × 20,631,989.70
  4. Step 4: Simplify right side
    63,731,854.80x = 1,972,372,457,693,243.25
  5. Step 5: Solve for x
    x = 1,972,372,457,693,243.25/63,731,854.80
  6. Step 6: Final answer
    x = 30,947,984.55

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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.