Home / 131,360,455,654.14-196,934,647,171.83-120,757,389,889.84

Finding the Fourth Proportional to 131,360,455,654.14, 196,934,647,171.83 and 120,757,389,889.84

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Solution

The fourth proportional to 131,360,455,654.14, 196,934,647,171.83 and 120,757,389,889.84 is: 181,038,607,493.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,360,455,654.14 : 196,934,647,171.83 = 120,757,389,889.84 : x
  2. Step 2: Convert to fraction form
    131,360,455,654.14/196,934,647,171.83 = 120,757,389,889.84/x
  3. Step 3: Cross multiply
    131,360,455,654.14x = 196,934,647,171.83 × 120,757,389,889.84
  4. Step 4: Simplify right side
    131,360,455,654.14x = 23,781,313,971,346,747,686,912
  5. Step 5: Solve for x
    x = 23,781,313,971,346,747,686,912/131,360,455,654.14
  6. Step 6: Final answer
    x = 181,038,607,493.57

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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.