Home / 55,053,120.91-75,978,148.28-30,277,673.18

Finding the Fourth Proportional to 55,053,120.91, 75,978,148.28 and 30,277,673.18

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Solution

The fourth proportional to 55,053,120.91, 75,978,148.28 and 30,277,673.18 is: 41,785,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,053,120.91 : 75,978,148.28 = 30,277,673.18 : x
  2. Step 2: Convert to fraction form
    55,053,120.91/75,978,148.28 = 30,277,673.18/x
  3. Step 3: Cross multiply
    55,053,120.91x = 75,978,148.28 × 30,277,673.18
  4. Step 4: Simplify right side
    55,053,120.91x = 2,300,441,542,443,419
  5. Step 5: Solve for x
    x = 2,300,441,542,443,419/55,053,120.91
  6. Step 6: Final answer
    x = 41,785,851.64

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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.