Home / 101,546,803.44-140,130,659.07-55,135,995.30

Finding the Fourth Proportional to 101,546,803.44, 140,130,659.07 and 55,135,995.30

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Solution

The fourth proportional to 101,546,803.44, 140,130,659.07 and 55,135,995.30 is: 76,085,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,546,803.44 : 140,130,659.07 = 55,135,995.30 : x
  2. Step 2: Convert to fraction form
    101,546,803.44/140,130,659.07 = 55,135,995.30/x
  3. Step 3: Cross multiply
    101,546,803.44x = 140,130,659.07 × 55,135,995.30
  4. Step 4: Simplify right side
    101,546,803.44x = 7,726,243,359,869,422
  5. Step 5: Solve for x
    x = 7,726,243,359,869,422/101,546,803.44
  6. Step 6: Final answer
    x = 76,085,539.85

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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.