Home / 133,037,824.20-199,556,736.30-72,571,648.20

Finding the Fourth Proportional to 133,037,824.20, 199,556,736.30 and 72,571,648.20

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Solution

The fourth proportional to 133,037,824.20, 199,556,736.30 and 72,571,648.20 is: 108,857,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,037,824.20 : 199,556,736.30 = 72,571,648.20 : x
  2. Step 2: Convert to fraction form
    133,037,824.20/199,556,736.30 = 72,571,648.20/x
  3. Step 3: Cross multiply
    133,037,824.20x = 199,556,736.30 × 72,571,648.20
  4. Step 4: Simplify right side
    133,037,824.20x = 14,482,161,262,703,772
  5. Step 5: Solve for x
    x = 14,482,161,262,703,772/133,037,824.20
  6. Step 6: Final answer
    x = 108,857,472.30

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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.