Home / 199,384,413.20-299,384,549.40-108,685,149.20

Finding the Fourth Proportional to 199,384,413.20, 299,384,549.40 and 108,685,149.20

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Solution

The fourth proportional to 199,384,413.20, 299,384,549.40 and 108,685,149.20 is: 163,195,577.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,384,413.20 : 299,384,549.40 = 108,685,149.20 : x
  2. Step 2: Convert to fraction form
    199,384,413.20/299,384,549.40 = 108,685,149.20/x
  3. Step 3: Cross multiply
    199,384,413.20x = 299,384,549.40 × 108,685,149.20
  4. Step 4: Simplify right side
    199,384,413.20x = 32,538,654,419,713,768
  5. Step 5: Solve for x
    x = 32,538,654,419,713,768/199,384,413.20
  6. Step 6: Final answer
    x = 163,195,577.31

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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.