Home / 165,291,644.64-228,040,858.80-103,388,463.84

Finding the Fourth Proportional to 165,291,644.64, 228,040,858.80 and 103,388,463.84

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Solution

The fourth proportional to 165,291,644.64, 228,040,858.80 and 103,388,463.84 is: 142,637,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,291,644.64 : 228,040,858.80 = 103,388,463.84 : x
  2. Step 2: Convert to fraction form
    165,291,644.64/228,040,858.80 = 103,388,463.84/x
  3. Step 3: Cross multiply
    165,291,644.64x = 228,040,858.80 × 103,388,463.84
  4. Step 4: Simplify right side
    165,291,644.64x = 23,576,794,084,086,348
  5. Step 5: Solve for x
    x = 23,576,794,084,086,348/165,291,644.64
  6. Step 6: Final answer
    x = 142,637,543.09

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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.