Home / 206,120,389.50-284,446,728-118,015,738.56

Finding the Fourth Proportional to 206,120,389.50, 284,446,728 and 118,015,738.56

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Solution

The fourth proportional to 206,120,389.50, 284,446,728 and 118,015,738.56 is: 162,862,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,120,389.50 : 284,446,728 = 118,015,738.56 : x
  2. Step 2: Convert to fraction form
    206,120,389.50/284,446,728 = 118,015,738.56/x
  3. Step 3: Cross multiply
    206,120,389.50x = 284,446,728 × 118,015,738.56
  4. Step 4: Simplify right side
    206,120,389.50x = 33,569,190,685,895,432
  5. Step 5: Solve for x
    x = 33,569,190,685,895,432/206,120,389.50
  6. Step 6: Final answer
    x = 162,862,057.30

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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.