Home / 206,863,932.60-310,295,898.90-91,726,255.80

Finding the Fourth Proportional to 206,863,932.60, 310,295,898.90 and 91,726,255.80

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Solution

The fourth proportional to 206,863,932.60, 310,295,898.90 and 91,726,255.80 is: 137,589,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,863,932.60 : 310,295,898.90 = 91,726,255.80 : x
  2. Step 2: Convert to fraction form
    206,863,932.60/310,295,898.90 = 91,726,255.80/x
  3. Step 3: Cross multiply
    206,863,932.60x = 310,295,898.90 × 91,726,255.80
  4. Step 4: Simplify right side
    206,863,932.60x = 28,462,280,996,192,336
  5. Step 5: Solve for x
    x = 28,462,280,996,192,336/206,863,932.60
  6. Step 6: Final answer
    x = 137,589,383.70

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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.