Home / 50,914,218.72-70,269,026.31-28,589,710.91

Finding the Fourth Proportional to 50,914,218.72, 70,269,026.31 and 28,589,710.91

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Solution

The fourth proportional to 50,914,218.72, 70,269,026.31 and 28,589,710.91 is: 39,457,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,914,218.72 : 70,269,026.31 = 28,589,710.91 : x
  2. Step 2: Convert to fraction form
    50,914,218.72/70,269,026.31 = 28,589,710.91/x
  3. Step 3: Cross multiply
    50,914,218.72x = 70,269,026.31 × 28,589,710.91
  4. Step 4: Simplify right side
    50,914,218.72x = 2,008,971,147,778,739
  5. Step 5: Solve for x
    x = 2,008,971,147,778,739/50,914,218.72
  6. Step 6: Final answer
    x = 39,457,958.86

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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.