Home / 206,861,235,786.42-285,475,548,981.92-120,047,084,060.15

Finding the Fourth Proportional to 206,861,235,786.42, 285,475,548,981.92 and 120,047,084,060.15

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Solution

The fourth proportional to 206,861,235,786.42, 285,475,548,981.92 and 120,047,084,060.15 is: 165,669,063,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,861,235,786.42 : 285,475,548,981.92 = 120,047,084,060.15 : x
  2. Step 2: Convert to fraction form
    206,861,235,786.42/285,475,548,981.92 = 120,047,084,060.15/x
  3. Step 3: Cross multiply
    206,861,235,786.42x = 285,475,548,981.92 × 120,047,084,060.15
  4. Step 4: Simplify right side
    206,861,235,786.42x = 34,270,507,225,750,014,263,296
  5. Step 5: Solve for x
    x = 34,270,507,225,750,014,263,296/206,861,235,786.42
  6. Step 6: Final answer
    x = 165,669,063,589.73

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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.