Home / 120,198,919,621.48-180,304,177,707.26-39,522,836,835.77

Finding the Fourth Proportional to 120,198,919,621.48, 180,304,177,707.26 and 39,522,836,835.77

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Solution

The fourth proportional to 120,198,919,621.48, 180,304,177,707.26 and 39,522,836,835.77 is: 59,286,161,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,198,919,621.48 : 180,304,177,707.26 = 39,522,836,835.77 : x
  2. Step 2: Convert to fraction form
    120,198,919,621.48/180,304,177,707.26 = 39,522,836,835.77/x
  3. Step 3: Cross multiply
    120,198,919,621.48x = 180,304,177,707.26 × 39,522,836,835.77
  4. Step 4: Simplify right side
    120,198,919,621.48x = 7,126,132,596,330,814,504,960
  5. Step 5: Solve for x
    x = 7,126,132,596,330,814,504,960/120,198,919,621.48
  6. Step 6: Final answer
    x = 59,286,161,795.56

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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.