Home / 338,785,390.20-508,178,085.30-108,777,725.40

Finding the Fourth Proportional to 338,785,390.20, 508,178,085.30 and 108,777,725.40

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Solution

The fourth proportional to 338,785,390.20, 508,178,085.30 and 108,777,725.40 is: 163,166,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,785,390.20 : 508,178,085.30 = 108,777,725.40 : x
  2. Step 2: Convert to fraction form
    338,785,390.20/508,178,085.30 = 108,777,725.40/x
  3. Step 3: Cross multiply
    338,785,390.20x = 508,178,085.30 × 108,777,725.40
  4. Step 4: Simplify right side
    338,785,390.20x = 55,278,456,217,061,184
  5. Step 5: Solve for x
    x = 55,278,456,217,061,184/338,785,390.20
  6. Step 6: Final answer
    x = 163,166,588.10

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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.