Home / 206,720,601.30-285,184,791.81-123,041,811.42

Finding the Fourth Proportional to 206,720,601.30, 285,184,791.81 and 123,041,811.42

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Solution

The fourth proportional to 206,720,601.30, 285,184,791.81 and 123,041,811.42 is: 169,744,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,720,601.30 : 285,184,791.81 = 123,041,811.42 : x
  2. Step 2: Convert to fraction form
    206,720,601.30/285,184,791.81 = 123,041,811.42/x
  3. Step 3: Cross multiply
    206,720,601.30x = 285,184,791.81 × 123,041,811.42
  4. Step 4: Simplify right side
    206,720,601.30x = 35,089,653,373,737,980
  5. Step 5: Solve for x
    x = 35,089,653,373,737,980/206,720,601.30
  6. Step 6: Final answer
    x = 169,744,346.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.