Home / 205,055,998.80-307,583,998.20-195,986,072.40

Finding the Fourth Proportional to 205,055,998.80, 307,583,998.20 and 195,986,072.40

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Solution

The fourth proportional to 205,055,998.80, 307,583,998.20 and 195,986,072.40 is: 293,979,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,055,998.80 : 307,583,998.20 = 195,986,072.40 : x
  2. Step 2: Convert to fraction form
    205,055,998.80/307,583,998.20 = 195,986,072.40/x
  3. Step 3: Cross multiply
    205,055,998.80x = 307,583,998.20 × 195,986,072.40
  4. Step 4: Simplify right side
    205,055,998.80x = 60,282,179,740,306,672
  5. Step 5: Solve for x
    x = 60,282,179,740,306,672/205,055,998.80
  6. Step 6: Final answer
    x = 293,979,108.60

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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.