Home / 455,122,721.16-682,684,413.57-110,076,680.43

Finding the Fourth Proportional to 455,122,721.16, 682,684,413.57 and 110,076,680.43

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Solution

The fourth proportional to 455,122,721.16, 682,684,413.57 and 110,076,680.43 is: 165,115,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,122,721.16 : 682,684,413.57 = 110,076,680.43 : x
  2. Step 2: Convert to fraction form
    455,122,721.16/682,684,413.57 = 110,076,680.43/x
  3. Step 3: Cross multiply
    455,122,721.16x = 682,684,413.57 × 110,076,680.43
  4. Step 4: Simplify right side
    455,122,721.16x = 75,147,634,027,086,864
  5. Step 5: Solve for x
    x = 75,147,634,027,086,864/455,122,721.16
  6. Step 6: Final answer
    x = 165,115,100.90

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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.