Home / 303,345,124.80-455,017,687.20-150,290,116.80

Finding the Fourth Proportional to 303,345,124.80, 455,017,687.20 and 150,290,116.80

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Solution

The fourth proportional to 303,345,124.80, 455,017,687.20 and 150,290,116.80 is: 225,435,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,345,124.80 : 455,017,687.20 = 150,290,116.80 : x
  2. Step 2: Convert to fraction form
    303,345,124.80/455,017,687.20 = 150,290,116.80/x
  3. Step 3: Cross multiply
    303,345,124.80x = 455,017,687.20 × 150,290,116.80
  4. Step 4: Simplify right side
    303,345,124.80x = 68,384,661,355,353,872
  5. Step 5: Solve for x
    x = 68,384,661,355,353,872/303,345,124.80
  6. Step 6: Final answer
    x = 225,435,175.20

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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.