Home / 136,062,920.54-187,782,771.06-77,334,413.60

Finding the Fourth Proportional to 136,062,920.54, 187,782,771.06 and 77,334,413.60

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Solution

The fourth proportional to 136,062,920.54, 187,782,771.06 and 77,334,413.60 is: 106,730,551.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,062,920.54 : 187,782,771.06 = 77,334,413.60 : x
  2. Step 2: Convert to fraction form
    136,062,920.54/187,782,771.06 = 77,334,413.60/x
  3. Step 3: Cross multiply
    136,062,920.54x = 187,782,771.06 × 77,334,413.60
  4. Step 4: Simplify right side
    136,062,920.54x = 14,522,070,483,169,236
  5. Step 5: Solve for x
    x = 14,522,070,483,169,236/136,062,920.54
  6. Step 6: Final answer
    x = 106,730,551.03

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