Home / 209,952,181.80-314,928,272.70-197,187,100.20

Finding the Fourth Proportional to 209,952,181.80, 314,928,272.70 and 197,187,100.20

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Solution

The fourth proportional to 209,952,181.80, 314,928,272.70 and 197,187,100.20 is: 295,780,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,181.80 : 314,928,272.70 = 197,187,100.20 : x
  2. Step 2: Convert to fraction form
    209,952,181.80/314,928,272.70 = 197,187,100.20/x
  3. Step 3: Cross multiply
    209,952,181.80x = 314,928,272.70 × 197,187,100.20
  4. Step 4: Simplify right side
    209,952,181.80x = 62,099,792,864,707,816
  5. Step 5: Solve for x
    x = 62,099,792,864,707,816/209,952,181.80
  6. Step 6: Final answer
    x = 295,780,650.30

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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.