Home / 287,169,022.94-396,287,869.17-175,651,671.85

Finding the Fourth Proportional to 287,169,022.94, 396,287,869.17 and 175,651,671.85

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Solution

The fourth proportional to 287,169,022.94, 396,287,869.17 and 175,651,671.85 is: 242,396,014.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,169,022.94 : 396,287,869.17 = 175,651,671.85 : x
  2. Step 2: Convert to fraction form
    287,169,022.94/396,287,869.17 = 175,651,671.85/x
  3. Step 3: Cross multiply
    287,169,022.94x = 396,287,869.17 × 175,651,671.85
  4. Step 4: Simplify right side
    287,169,022.94x = 69,608,626,752,593,856
  5. Step 5: Solve for x
    x = 69,608,626,752,593,856/287,169,022.94
  6. Step 6: Final answer
    x = 242,396,014.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.