Home / 131,360,455,652.14-196,934,647,168.83-120,757,389,887.84

Finding the Fourth Proportional to 131,360,455,652.14, 196,934,647,168.83 and 120,757,389,887.84

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Solution

The fourth proportional to 131,360,455,652.14, 196,934,647,168.83 and 120,757,389,887.84 is: 181,038,607,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,360,455,652.14 : 196,934,647,168.83 = 120,757,389,887.84 : x
  2. Step 2: Convert to fraction form
    131,360,455,652.14/196,934,647,168.83 = 120,757,389,887.84/x
  3. Step 3: Cross multiply
    131,360,455,652.14x = 196,934,647,168.83 × 120,757,389,887.84
  4. Step 4: Simplify right side
    131,360,455,652.14x = 23,781,313,970,590,606,950,400
  5. Step 5: Solve for x
    x = 23,781,313,970,590,606,950,400/131,360,455,652.14
  6. Step 6: Final answer
    x = 181,038,607,490.57

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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.