Home / 55,419,944.49-76,479,331.91-30,973,658.49

Finding the Fourth Proportional to 55,419,944.49, 76,479,331.91 and 30,973,658.49

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Solution

The fourth proportional to 55,419,944.49, 76,479,331.91 and 30,973,658.49 is: 42,743,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,419,944.49 : 76,479,331.91 = 30,973,658.49 : x
  2. Step 2: Convert to fraction form
    55,419,944.49/76,479,331.91 = 30,973,658.49/x
  3. Step 3: Cross multiply
    55,419,944.49x = 76,479,331.91 × 30,973,658.49
  4. Step 4: Simplify right side
    55,419,944.49x = 2,368,844,707,968,831
  5. Step 5: Solve for x
    x = 2,368,844,707,968,831/55,419,944.49
  6. Step 6: Final answer
    x = 42,743,541.69

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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.