Home / 48,933,015.70-67,529,986.30-30,354,142.81

Finding the Fourth Proportional to 48,933,015.70, 67,529,986.30 and 30,354,142.81

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Solution

The fourth proportional to 48,933,015.70, 67,529,986.30 and 30,354,142.81 is: 41,890,221.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,933,015.70 : 67,529,986.30 = 30,354,142.81 : x
  2. Step 2: Convert to fraction form
    48,933,015.70/67,529,986.30 = 30,354,142.81/x
  3. Step 3: Cross multiply
    48,933,015.70x = 67,529,986.30 × 30,354,142.81
  4. Step 4: Simplify right side
    48,933,015.70x = 2,049,814,848,103,279.75
  5. Step 5: Solve for x
    x = 2,049,814,848,103,279.75/48,933,015.70
  6. Step 6: Final answer
    x = 41,890,221.13

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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.