Home / 55,049,144.76-75,970,412.46-30,603,267

Finding the Fourth Proportional to 55,049,144.76, 75,970,412.46 and 30,603,267

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Solution

The fourth proportional to 55,049,144.76, 75,970,412.46 and 30,603,267 is: 42,233,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049,144.76 : 75,970,412.46 = 30,603,267 : x
  2. Step 2: Convert to fraction form
    55,049,144.76/75,970,412.46 = 30,603,267/x
  3. Step 3: Cross multiply
    55,049,144.76x = 75,970,412.46 × 30,603,267
  4. Step 4: Simplify right side
    55,049,144.76x = 2,324,942,816,613,506.50
  5. Step 5: Solve for x
    x = 2,324,942,816,613,506.50/55,049,144.76
  6. Step 6: Final answer
    x = 42,233,949.81

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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.