Home / 79,682,449.41-119,433,004.65-48,489,309.63

Finding the Fourth Proportional to 79,682,449.41, 119,433,004.65 and 48,489,309.63

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Solution

The fourth proportional to 79,682,449.41, 119,433,004.65 and 48,489,309.63 is: 72,678,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,682,449.41 : 119,433,004.65 = 48,489,309.63 : x
  2. Step 2: Convert to fraction form
    79,682,449.41/119,433,004.65 = 48,489,309.63/x
  3. Step 3: Cross multiply
    79,682,449.41x = 119,433,004.65 × 48,489,309.63
  4. Step 4: Simplify right side
    79,682,449.41x = 5,791,223,942,515,080
  5. Step 5: Solve for x
    x = 5,791,223,942,515,080/79,682,449.41
  6. Step 6: Final answer
    x = 72,678,789.19

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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.