Home / 196,839,979.20-295,258,413.60-51,273,259.20

Finding the Fourth Proportional to 196,839,979.20, 295,258,413.60 and 51,273,259.20

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Solution

The fourth proportional to 196,839,979.20, 295,258,413.60 and 51,273,259.20 is: 76,909,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,839,979.20 : 295,258,413.60 = 51,273,259.20 : x
  2. Step 2: Convert to fraction form
    196,839,979.20/295,258,413.60 = 51,273,259.20/x
  3. Step 3: Cross multiply
    196,839,979.20x = 295,258,413.60 × 51,273,259.20
  4. Step 4: Simplify right side
    196,839,979.20x = 15,138,861,171,493,608
  5. Step 5: Solve for x
    x = 15,138,861,171,493,608/196,839,979.20
  6. Step 6: Final answer
    x = 76,909,483.70

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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.