Home / 151,719,619.20-209,373,712.96-82,105,003.52

Finding the Fourth Proportional to 151,719,619.20, 209,373,712.96 and 82,105,003.52

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Solution

The fourth proportional to 151,719,619.20, 209,373,712.96 and 82,105,003.52 is: 113,305,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,719,619.20 : 209,373,712.96 = 82,105,003.52 : x
  2. Step 2: Convert to fraction form
    151,719,619.20/209,373,712.96 = 82,105,003.52/x
  3. Step 3: Cross multiply
    151,719,619.20x = 209,373,712.96 × 82,105,003.52
  4. Step 4: Simplify right side
    151,719,619.20x = 17,190,629,439,576,270
  5. Step 5: Solve for x
    x = 17,190,629,439,576,270/151,719,619.20
  6. Step 6: Final answer
    x = 113,305,250.37

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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.