Home / 196,586,979.40-294,880,469.10-192,760,604.20

Finding the Fourth Proportional to 196,586,979.40, 294,880,469.10 and 192,760,604.20

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Solution

The fourth proportional to 196,586,979.40, 294,880,469.10 and 192,760,604.20 is: 289,140,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,586,979.40 : 294,880,469.10 = 192,760,604.20 : x
  2. Step 2: Convert to fraction form
    196,586,979.40/294,880,469.10 = 192,760,604.20/x
  3. Step 3: Cross multiply
    196,586,979.40x = 294,880,469.10 × 192,760,604.20
  4. Step 4: Simplify right side
    196,586,979.40x = 56,841,337,390,495,432
  5. Step 5: Solve for x
    x = 56,841,337,390,495,432/196,586,979.40
  6. Step 6: Final answer
    x = 289,140,906.30

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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.