Home / 53,338,891.20-80,008,336.80-51,099,403.20

Finding the Fourth Proportional to 53,338,891.20, 80,008,336.80 and 51,099,403.20

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Solution

The fourth proportional to 53,338,891.20, 80,008,336.80 and 51,099,403.20 is: 76,649,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,338,891.20 : 80,008,336.80 = 51,099,403.20 : x
  2. Step 2: Convert to fraction form
    53,338,891.20/80,008,336.80 = 51,099,403.20/x
  3. Step 3: Cross multiply
    53,338,891.20x = 80,008,336.80 × 51,099,403.20
  4. Step 4: Simplify right side
    53,338,891.20x = 4,088,378,261,504,598
  5. Step 5: Solve for x
    x = 4,088,378,261,504,598/53,338,891.20
  6. Step 6: Final answer
    x = 76,649,104.80

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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.