Home / 50,138,655.21-75,214,675.44-19,839,432.33

Finding the Fourth Proportional to 50,138,655.21, 75,214,675.44 and 19,839,432.33

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Solution

The fourth proportional to 50,138,655.21, 75,214,675.44 and 19,839,432.33 is: 29,761,796.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,138,655.21 : 75,214,675.44 = 19,839,432.33 : x
  2. Step 2: Convert to fraction form
    50,138,655.21/75,214,675.44 = 19,839,432.33/x
  3. Step 3: Cross multiply
    50,138,655.21x = 75,214,675.44 × 19,839,432.33
  4. Step 4: Simplify right side
    50,138,655.21x = 1,492,216,463,614,792.75
  5. Step 5: Solve for x
    x = 1,492,216,463,614,792.75/50,138,655.21
  6. Step 6: Final answer
    x = 29,761,796.71

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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.