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Finding the Fourth Proportional to 267,207,000.40, 400,754,513.40 and 130,990,142.80

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Solution

The fourth proportional to 267,207,000.40, 400,754,513.40 and 130,990,142.80 is: 196,457,768.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,207,000.40 : 400,754,513.40 = 130,990,142.80 : x
  2. Step 2: Convert to fraction form
    267,207,000.40/400,754,513.40 = 130,990,142.80/x
  3. Step 3: Cross multiply
    267,207,000.40x = 400,754,513.40 × 130,990,142.80
  4. Step 4: Simplify right side
    267,207,000.40x = 52,494,890,938,010,512
  5. Step 5: Solve for x
    x = 52,494,890,938,010,512/267,207,000.40
  6. Step 6: Final answer
    x = 196,457,768.17

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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.