Home / 133,037,786.20-199,556,679.30-72,571,610.20

Finding the Fourth Proportional to 133,037,786.20, 199,556,679.30 and 72,571,610.20

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Solution

The fourth proportional to 133,037,786.20, 199,556,679.30 and 72,571,610.20 is: 108,857,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,037,786.20 : 199,556,679.30 = 72,571,610.20 : x
  2. Step 2: Convert to fraction form
    133,037,786.20/199,556,679.30 = 72,571,610.20/x
  3. Step 3: Cross multiply
    133,037,786.20x = 199,556,679.30 × 72,571,610.20
  4. Step 4: Simplify right side
    133,037,786.20x = 14,482,149,542,966,010
  5. Step 5: Solve for x
    x = 14,482,149,542,966,010/133,037,786.20
  6. Step 6: Final answer
    x = 108,857,415.30

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1.5x scale

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.