Home / 133,037,796.20-199,556,694.30-72,571,620.20

Finding the Fourth Proportional to 133,037,796.20, 199,556,694.30 and 72,571,620.20

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Solution

The fourth proportional to 133,037,796.20, 199,556,694.30 and 72,571,620.20 is: 108,857,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,037,796.20 : 199,556,694.30 = 72,571,620.20 : x
  2. Step 2: Convert to fraction form
    133,037,796.20/199,556,694.30 = 72,571,620.20/x
  3. Step 3: Cross multiply
    133,037,796.20x = 199,556,694.30 × 72,571,620.20
  4. Step 4: Simplify right side
    133,037,796.20x = 14,482,152,627,107,106
  5. Step 5: Solve for x
    x = 14,482,152,627,107,106/133,037,796.20
  6. Step 6: Final answer
    x = 108,857,430.30

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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.