Home / 133,074,206.20-199,611,309.30-72,608,030.20

Finding the Fourth Proportional to 133,074,206.20, 199,611,309.30 and 72,608,030.20

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Solution

The fourth proportional to 133,074,206.20, 199,611,309.30 and 72,608,030.20 is: 108,912,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,074,206.20 : 199,611,309.30 = 72,608,030.20 : x
  2. Step 2: Convert to fraction form
    133,074,206.20/199,611,309.30 = 72,608,030.20/x
  3. Step 3: Cross multiply
    133,074,206.20x = 199,611,309.30 × 72,608,030.20
  4. Step 4: Simplify right side
    133,074,206.20x = 14,493,383,973,915,942
  5. Step 5: Solve for x
    x = 14,493,383,973,915,942/133,074,206.20
  6. Step 6: Final answer
    x = 108,912,045.30

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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.