Home / 55,053,121.91-75,978,149.66-30,277,674.18

Finding the Fourth Proportional to 55,053,121.91, 75,978,149.66 and 30,277,674.18

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Solution

The fourth proportional to 55,053,121.91, 75,978,149.66 and 30,277,674.18 is: 41,785,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,053,121.91 : 75,978,149.66 = 30,277,674.18 : x
  2. Step 2: Convert to fraction form
    55,053,121.91/75,978,149.66 = 30,277,674.18/x
  3. Step 3: Cross multiply
    55,053,121.91x = 75,978,149.66 × 30,277,674.18
  4. Step 4: Simplify right side
    55,053,121.91x = 2,300,441,660,204,757.50
  5. Step 5: Solve for x
    x = 2,300,441,660,204,757.50/55,053,121.91
  6. Step 6: Final answer
    x = 41,785,853.02

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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.