Home / 206,864,297.60-310,296,446.40-91,726,620.80

Finding the Fourth Proportional to 206,864,297.60, 310,296,446.40 and 91,726,620.80

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Solution

The fourth proportional to 206,864,297.60, 310,296,446.40 and 91,726,620.80 is: 137,589,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,864,297.60 : 310,296,446.40 = 91,726,620.80 : x
  2. Step 2: Convert to fraction form
    206,864,297.60/310,296,446.40 = 91,726,620.80/x
  3. Step 3: Cross multiply
    206,864,297.60x = 310,296,446.40 × 91,726,620.80
  4. Step 4: Simplify right side
    206,864,297.60x = 28,462,444,474,520,324
  5. Step 5: Solve for x
    x = 28,462,444,474,520,324/206,864,297.60
  6. Step 6: Final answer
    x = 137,589,931.20

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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.