Home / 358,790,620.80-538,185,931.20-177,392,092.80

Finding the Fourth Proportional to 358,790,620.80, 538,185,931.20 and 177,392,092.80

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Solution

The fourth proportional to 358,790,620.80, 538,185,931.20 and 177,392,092.80 is: 266,088,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,790,620.80 : 538,185,931.20 = 177,392,092.80 : x
  2. Step 2: Convert to fraction form
    358,790,620.80/538,185,931.20 = 177,392,092.80/x
  3. Step 3: Cross multiply
    358,790,620.80x = 538,185,931.20 × 177,392,092.80
  4. Step 4: Simplify right side
    358,790,620.80x = 95,469,928,651,084,832
  5. Step 5: Solve for x
    x = 95,469,928,651,084,832/358,790,620.80
  6. Step 6: Final answer
    x = 266,088,139.20

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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.