Home / 78,104,879.56-107,784,731.46-43,297,481.80

Finding the Fourth Proportional to 78,104,879.56, 107,784,731.46 and 43,297,481.80

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Solution

The fourth proportional to 78,104,879.56, 107,784,731.46 and 43,297,481.80 is: 59,750,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,104,879.56 : 107,784,731.46 = 43,297,481.80 : x
  2. Step 2: Convert to fraction form
    78,104,879.56/107,784,731.46 = 43,297,481.80/x
  3. Step 3: Cross multiply
    78,104,879.56x = 107,784,731.46 × 43,297,481.80
  4. Step 4: Simplify right side
    78,104,879.56x = 4,666,807,448,707,237
  5. Step 5: Solve for x
    x = 4,666,807,448,707,237/78,104,879.56
  6. Step 6: Final answer
    x = 59,750,523.59

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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.