Home / 271,546,891.20-407,320,336.80-99,029,332.80

Finding the Fourth Proportional to 271,546,891.20, 407,320,336.80 and 99,029,332.80

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Solution

The fourth proportional to 271,546,891.20, 407,320,336.80 and 99,029,332.80 is: 148,543,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,546,891.20 : 407,320,336.80 = 99,029,332.80 : x
  2. Step 2: Convert to fraction form
    271,546,891.20/407,320,336.80 = 99,029,332.80/x
  3. Step 3: Cross multiply
    271,546,891.20x = 407,320,336.80 × 99,029,332.80
  4. Step 4: Simplify right side
    271,546,891.20x = 40,336,661,189,175,288
  5. Step 5: Solve for x
    x = 40,336,661,189,175,288/271,546,891.20
  6. Step 6: Final answer
    x = 148,543,999.20

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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.