Home / 57,628,935.81-86,449,459.30-18,770,413.77

Finding the Fourth Proportional to 57,628,935.81, 86,449,459.30 and 18,770,413.77

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Solution

The fourth proportional to 57,628,935.81, 86,449,459.30 and 18,770,413.77 is: 28,157,593.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,628,935.81 : 86,449,459.30 = 18,770,413.77 : x
  2. Step 2: Convert to fraction form
    57,628,935.81/86,449,459.30 = 18,770,413.77/x
  3. Step 3: Cross multiply
    57,628,935.81x = 86,449,459.30 × 18,770,413.77
  4. Step 4: Simplify right side
    57,628,935.81x = 1,622,692,121,206,848.50
  5. Step 5: Solve for x
    x = 1,622,692,121,206,848.50/57,628,935.81
  6. Step 6: Final answer
    x = 28,157,593.03

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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.