Home / 118,086,078.23-162,991,200.27-68,542,413.38

Finding the Fourth Proportional to 118,086,078.23, 162,991,200.27 and 68,542,413.38

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Solution

The fourth proportional to 118,086,078.23, 162,991,200.27 and 68,542,413.38 is: 94,607,344.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,086,078.23 : 162,991,200.27 = 68,542,413.38 : x
  2. Step 2: Convert to fraction form
    118,086,078.23/162,991,200.27 = 68,542,413.38/x
  3. Step 3: Cross multiply
    118,086,078.23x = 162,991,200.27 × 68,542,413.38
  4. Step 4: Simplify right side
    118,086,078.23x = 11,171,810,226,208,708
  5. Step 5: Solve for x
    x = 11,171,810,226,208,708/118,086,078.23
  6. Step 6: Final answer
    x = 94,607,344.01

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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.