Home / 138,094,849.69-207,169,562.22-50,657,178.47

Finding the Fourth Proportional to 138,094,849.69, 207,169,562.22 and 50,657,178.47

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Solution

The fourth proportional to 138,094,849.69, 207,169,562.22 and 50,657,178.47 is: 75,995,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,094,849.69 : 207,169,562.22 = 50,657,178.47 : x
  2. Step 2: Convert to fraction form
    138,094,849.69/207,169,562.22 = 50,657,178.47/x
  3. Step 3: Cross multiply
    138,094,849.69x = 207,169,562.22 × 50,657,178.47
  4. Step 4: Simplify right side
    138,094,849.69x = 10,494,625,485,704,498
  5. Step 5: Solve for x
    x = 10,494,625,485,704,498/138,094,849.69
  6. Step 6: Final answer
    x = 75,995,777.61

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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.