Home / 175,396,373,825.51-263,151,221,107.81-81,131,157,642.89

Finding the Fourth Proportional to 175,396,373,825.51, 263,151,221,107.81 and 81,131,157,642.89

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Solution

The fourth proportional to 175,396,373,825.51, 263,151,221,107.81 and 81,131,157,642.89 is: 121,722,945,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,396,373,825.51 : 263,151,221,107.81 = 81,131,157,642.89 : x
  2. Step 2: Convert to fraction form
    175,396,373,825.51/263,151,221,107.81 = 81,131,157,642.89/x
  3. Step 3: Cross multiply
    175,396,373,825.51x = 263,151,221,107.81 × 81,131,157,642.89
  4. Step 4: Simplify right side
    175,396,373,825.51x = 21,349,763,203,615,418,220,544
  5. Step 5: Solve for x
    x = 21,349,763,203,615,418,220,544/175,396,373,825.51
  6. Step 6: Final answer
    x = 121,722,945,223.80

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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.