Home / 178,220,137,191.87-267,440,163,814.17-82,588,330,842.12

Finding the Fourth Proportional to 178,220,137,191.87, 267,440,163,814.17 and 82,588,330,842.12

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Solution

The fourth proportional to 178,220,137,191.87, 267,440,163,814.17 and 82,588,330,842.12 is: 123,933,451,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,220,137,191.87 : 267,440,163,814.17 = 82,588,330,842.12 : x
  2. Step 2: Convert to fraction form
    178,220,137,191.87/267,440,163,814.17 = 82,588,330,842.12/x
  3. Step 3: Cross multiply
    178,220,137,191.87x = 267,440,163,814.17 × 82,588,330,842.12
  4. Step 4: Simplify right side
    178,220,137,191.87x = 22,087,436,729,555,441,680,384
  5. Step 5: Solve for x
    x = 22,087,436,729,555,441,680,384/178,220,137,191.87
  6. Step 6: Final answer
    x = 123,933,451,503.16

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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.