Home / 338,785,389.20-508,178,083.80-108,777,724.40

Finding the Fourth Proportional to 338,785,389.20, 508,178,083.80 and 108,777,724.40

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Solution

The fourth proportional to 338,785,389.20, 508,178,083.80 and 108,777,724.40 is: 163,166,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,785,389.20 : 508,178,083.80 = 108,777,724.40 : x
  2. Step 2: Convert to fraction form
    338,785,389.20/508,178,083.80 = 108,777,724.40/x
  3. Step 3: Cross multiply
    338,785,389.20x = 508,178,083.80 × 108,777,724.40
  4. Step 4: Simplify right side
    338,785,389.20x = 55,278,455,545,716,512
  5. Step 5: Solve for x
    x = 55,278,455,545,716,512/338,785,389.20
  6. Step 6: Final answer
    x = 163,166,586.60

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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.