Home / 255,064,785.35-351,978,081.44-142,040,107.76

Finding the Fourth Proportional to 255,064,785.35, 351,978,081.44 and 142,040,107.76

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Solution

The fourth proportional to 255,064,785.35, 351,978,081.44 and 142,040,107.76 is: 196,009,043.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,064,785.35 : 351,978,081.44 = 142,040,107.76 : x
  2. Step 2: Convert to fraction form
    255,064,785.35/351,978,081.44 = 142,040,107.76/x
  3. Step 3: Cross multiply
    255,064,785.35x = 351,978,081.44 × 142,040,107.76
  4. Step 4: Simplify right side
    255,064,785.35x = 49,995,004,614,425,560
  5. Step 5: Solve for x
    x = 49,995,004,614,425,560/255,064,785.35
  6. Step 6: Final answer
    x = 196,009,043.53

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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.