Home / 206,784,007.30-310,176,010.95-168,520,255.30

Finding the Fourth Proportional to 206,784,007.30, 310,176,010.95 and 168,520,255.30

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Solution

The fourth proportional to 206,784,007.30, 310,176,010.95 and 168,520,255.30 is: 252,780,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,784,007.30 : 310,176,010.95 = 168,520,255.30 : x
  2. Step 2: Convert to fraction form
    206,784,007.30/310,176,010.95 = 168,520,255.30/x
  3. Step 3: Cross multiply
    206,784,007.30x = 310,176,010.95 × 168,520,255.30
  4. Step 4: Simplify right side
    206,784,007.30x = 52,270,940,553,229,600
  5. Step 5: Solve for x
    x = 52,270,940,553,229,600/206,784,007.30
  6. Step 6: Final answer
    x = 252,780,382.95

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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.