Home / 78,217,413.60-117,325,537.20-23,629,893.60

Finding the Fourth Proportional to 78,217,413.60, 117,325,537.20 and 23,629,893.60

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Solution

The fourth proportional to 78,217,413.60, 117,325,537.20 and 23,629,893.60 is: 35,444,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,217,413.60 : 117,325,537.20 = 23,629,893.60 : x
  2. Step 2: Convert to fraction form
    78,217,413.60/117,325,537.20 = 23,629,893.60/x
  3. Step 3: Cross multiply
    78,217,413.60x = 117,325,537.20 × 23,629,893.60
  4. Step 4: Simplify right side
    78,217,413.60x = 2,772,389,960,598,842
  5. Step 5: Solve for x
    x = 2,772,389,960,598,842/78,217,413.60
  6. Step 6: Final answer
    x = 35,444,664.21

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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.