Home / 212,643,963-293,448,786.66-114,858,819

Finding the Fourth Proportional to 212,643,963, 293,448,786.66 and 114,858,819

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Solution

The fourth proportional to 212,643,963, 293,448,786.66 and 114,858,819 is: 158,505,233.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,643,963 : 293,448,786.66 = 114,858,819 : x
  2. Step 2: Convert to fraction form
    212,643,963/293,448,786.66 = 114,858,819/x
  3. Step 3: Cross multiply
    212,643,963x = 293,448,786.66 × 114,858,819
  4. Step 4: Simplify right side
    212,643,963x = 33,705,181,072,750,556
  5. Step 5: Solve for x
    x = 33,705,181,072,750,556/212,643,963
  6. Step 6: Final answer
    x = 158,505,233.81

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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.