Home / 165,945,220.40-248,917,830.60-149,505,978.80

Finding the Fourth Proportional to 165,945,220.40, 248,917,830.60 and 149,505,978.80

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Solution

The fourth proportional to 165,945,220.40, 248,917,830.60 and 149,505,978.80 is: 224,258,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,945,220.40 : 248,917,830.60 = 149,505,978.80 : x
  2. Step 2: Convert to fraction form
    165,945,220.40/248,917,830.60 = 149,505,978.80/x
  3. Step 3: Cross multiply
    165,945,220.40x = 248,917,830.60 × 149,505,978.80
  4. Step 4: Simplify right side
    165,945,220.40x = 37,214,703,904,625,592
  5. Step 5: Solve for x
    x = 37,214,703,904,625,592/165,945,220.40
  6. Step 6: Final answer
    x = 224,258,968.20

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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.