Home / 206,073,636.98-284,384,391.89-111,989,651.49

Finding the Fourth Proportional to 206,073,636.98, 284,384,391.89 and 111,989,651.49

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Solution

The fourth proportional to 206,073,636.98, 284,384,391.89 and 111,989,651.49 is: 154,547,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,073,636.98 : 284,384,391.89 = 111,989,651.49 : x
  2. Step 2: Convert to fraction form
    206,073,636.98/284,384,391.89 = 111,989,651.49/x
  3. Step 3: Cross multiply
    206,073,636.98x = 284,384,391.89 × 111,989,651.49
  4. Step 4: Simplify right side
    206,073,636.98x = 31,848,108,936,396,732
  5. Step 5: Solve for x
    x = 31,848,108,936,396,732/206,073,636.98
  6. Step 6: Final answer
    x = 154,547,225.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.