Home / 61,890,881.92-85,404,413.88-35,787,092.80

Finding the Fourth Proportional to 61,890,881.92, 85,404,413.88 and 35,787,092.80

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Solution

The fourth proportional to 61,890,881.92, 85,404,413.88 and 35,787,092.80 is: 49,383,295.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,890,881.92 : 85,404,413.88 = 35,787,092.80 : x
  2. Step 2: Convert to fraction form
    61,890,881.92/85,404,413.88 = 35,787,092.80/x
  3. Step 3: Cross multiply
    61,890,881.92x = 85,404,413.88 × 35,787,092.80
  4. Step 4: Simplify right side
    61,890,881.92x = 3,056,375,685,053,167.50
  5. Step 5: Solve for x
    x = 3,056,375,685,053,167.50/61,890,881.92
  6. Step 6: Final answer
    x = 49,383,295.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.