Home / 267,206,999.40-400,754,511.90-130,990,141.80

Finding the Fourth Proportional to 267,206,999.40, 400,754,511.90 and 130,990,141.80

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Solution

The fourth proportional to 267,206,999.40, 400,754,511.90 and 130,990,141.80 is: 196,457,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,206,999.40 : 400,754,511.90 = 130,990,141.80 : x
  2. Step 2: Convert to fraction form
    267,206,999.40/400,754,511.90 = 130,990,141.80/x
  3. Step 3: Cross multiply
    267,206,999.40x = 400,754,511.90 × 130,990,141.80
  4. Step 4: Simplify right side
    267,206,999.40x = 52,494,890,340,770,784
  5. Step 5: Solve for x
    x = 52,494,890,340,770,784/267,206,999.40
  6. Step 6: Final answer
    x = 196,457,766.67

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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.