Home / 87,239,954.41-120,395,871.56-50,069,937.51

Finding the Fourth Proportional to 87,239,954.41, 120,395,871.56 and 50,069,937.51

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Solution

The fourth proportional to 87,239,954.41, 120,395,871.56 and 50,069,937.51 is: 69,099,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,239,954.41 : 120,395,871.56 = 50,069,937.51 : x
  2. Step 2: Convert to fraction form
    87,239,954.41/120,395,871.56 = 50,069,937.51/x
  3. Step 3: Cross multiply
    87,239,954.41x = 120,395,871.56 × 50,069,937.51
  4. Step 4: Simplify right side
    87,239,954.41x = 6,028,213,765,220,837
  5. Step 5: Solve for x
    x = 6,028,213,765,220,837/87,239,954.41
  6. Step 6: Final answer
    x = 69,099,231.03

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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.