Home / 48,706,738.72-67,189,816-30,115,936.20

Finding the Fourth Proportional to 48,706,738.72, 67,189,816 and 30,115,936.20

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Solution

The fourth proportional to 48,706,738.72, 67,189,816 and 30,115,936.20 is: 41,544,235.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,706,738.72 : 67,189,816 = 30,115,936.20 : x
  2. Step 2: Convert to fraction form
    48,706,738.72/67,189,816 = 30,115,936.20/x
  3. Step 3: Cross multiply
    48,706,738.72x = 67,189,816 × 30,115,936.20
  4. Step 4: Simplify right side
    48,706,738.72x = 2,023,484,211,945,739.25
  5. Step 5: Solve for x
    x = 2,023,484,211,945,739.25/48,706,738.72
  6. Step 6: Final answer
    x = 41,544,235.26

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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.