Home / 177,957,727.20-266,936,590.80-143,320,312.80

Finding the Fourth Proportional to 177,957,727.20, 266,936,590.80 and 143,320,312.80

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Solution

The fourth proportional to 177,957,727.20, 266,936,590.80 and 143,320,312.80 is: 214,980,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,957,727.20 : 266,936,590.80 = 143,320,312.80 : x
  2. Step 2: Convert to fraction form
    177,957,727.20/266,936,590.80 = 143,320,312.80/x
  3. Step 3: Cross multiply
    177,957,727.20x = 266,936,590.80 × 143,320,312.80
  4. Step 4: Simplify right side
    177,957,727.20x = 38,257,435,691,221,608
  5. Step 5: Solve for x
    x = 38,257,435,691,221,608/177,957,727.20
  6. Step 6: Final answer
    x = 214,980,469.20

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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.