Home / 177,413,830.60-266,120,745.90-80,416,006.60

Finding the Fourth Proportional to 177,413,830.60, 266,120,745.90 and 80,416,006.60

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Solution

The fourth proportional to 177,413,830.60, 266,120,745.90 and 80,416,006.60 is: 120,624,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,413,830.60 : 266,120,745.90 = 80,416,006.60 : x
  2. Step 2: Convert to fraction form
    177,413,830.60/266,120,745.90 = 80,416,006.60/x
  3. Step 3: Cross multiply
    177,413,830.60x = 266,120,745.90 × 80,416,006.60
  4. Step 4: Simplify right side
    177,413,830.60x = 21,400,367,658,691,320
  5. Step 5: Solve for x
    x = 21,400,367,658,691,320/177,413,830.60
  6. Step 6: Final answer
    x = 120,624,009.90

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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.