Home / 55,565,512.67-76,679,413.26-30,785,202.51

Finding the Fourth Proportional to 55,565,512.67, 76,679,413.26 and 30,785,202.51

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Solution

The fourth proportional to 55,565,512.67, 76,679,413.26 and 30,785,202.51 is: 42,483,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,565,512.67 : 76,679,413.26 = 30,785,202.51 : x
  2. Step 2: Convert to fraction form
    55,565,512.67/76,679,413.26 = 30,785,202.51/x
  3. Step 3: Cross multiply
    55,565,512.67x = 76,679,413.26 × 30,785,202.51
  4. Step 4: Simplify right side
    55,565,512.67x = 2,360,591,265,557,079.50
  5. Step 5: Solve for x
    x = 2,360,591,265,557,079.50/55,565,512.67
  6. Step 6: Final answer
    x = 42,483,028.63

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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.