Home / 168,530,961.60-252,796,442.40-47,362,413.60

Finding the Fourth Proportional to 168,530,961.60, 252,796,442.40 and 47,362,413.60

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Solution

The fourth proportional to 168,530,961.60, 252,796,442.40 and 47,362,413.60 is: 71,043,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,530,961.60 : 252,796,442.40 = 47,362,413.60 : x
  2. Step 2: Convert to fraction form
    168,530,961.60/252,796,442.40 = 47,362,413.60/x
  3. Step 3: Cross multiply
    168,530,961.60x = 252,796,442.40 × 47,362,413.60
  4. Step 4: Simplify right side
    168,530,961.60x = 11,973,049,661,557,378
  5. Step 5: Solve for x
    x = 11,973,049,661,557,378/168,530,961.60
  6. Step 6: Final answer
    x = 71,043,620.40

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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.