Home / 177,957,815.20-266,936,722.80-143,320,400.80

Finding the Fourth Proportional to 177,957,815.20, 266,936,722.80 and 143,320,400.80

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Solution

The fourth proportional to 177,957,815.20, 266,936,722.80 and 143,320,400.80 is: 214,980,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,957,815.20 : 266,936,722.80 = 143,320,400.80 : x
  2. Step 2: Convert to fraction form
    177,957,815.20/266,936,722.80 = 143,320,400.80/x
  3. Step 3: Cross multiply
    177,957,815.20x = 266,936,722.80 × 143,320,400.80
  4. Step 4: Simplify right side
    177,957,815.20x = 38,257,478,099,934,504
  5. Step 5: Solve for x
    x = 38,257,478,099,934,504/177,957,815.20
  6. Step 6: Final answer
    x = 214,980,601.20

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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.