Home / 66,928,927.44-100,398,003.11-28,028,212.10

Finding the Fourth Proportional to 66,928,927.44, 100,398,003.11 and 28,028,212.10

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Solution

The fourth proportional to 66,928,927.44, 100,398,003.11 and 28,028,212.10 is: 42,044,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,928,927.44 : 100,398,003.11 = 28,028,212.10 : x
  2. Step 2: Convert to fraction form
    66,928,927.44/100,398,003.11 = 28,028,212.10/x
  3. Step 3: Cross multiply
    66,928,927.44x = 100,398,003.11 × 28,028,212.10
  4. Step 4: Simplify right side
    66,928,927.44x = 2,813,976,524,941,408.50
  5. Step 5: Solve for x
    x = 2,813,976,524,941,408.50/66,928,927.44
  6. Step 6: Final answer
    x = 42,044,249.51

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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.