Home / 126,033,729.20-189,050,593.80-100,524,561.20

Finding the Fourth Proportional to 126,033,729.20, 189,050,593.80 and 100,524,561.20

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Solution

The fourth proportional to 126,033,729.20, 189,050,593.80 and 100,524,561.20 is: 150,786,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,033,729.20 : 189,050,593.80 = 100,524,561.20 : x
  2. Step 2: Convert to fraction form
    126,033,729.20/189,050,593.80 = 100,524,561.20/x
  3. Step 3: Cross multiply
    126,033,729.20x = 189,050,593.80 × 100,524,561.20
  4. Step 4: Simplify right side
    126,033,729.20x = 19,004,227,986,344,444
  5. Step 5: Solve for x
    x = 19,004,227,986,344,444/126,033,729.20
  6. Step 6: Final answer
    x = 150,786,841.80

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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.