Home / 258,143,767.44-356,236,426.81-140,668,734.39

Finding the Fourth Proportional to 258,143,767.44, 356,236,426.81 and 140,668,734.39

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Solution

The fourth proportional to 258,143,767.44, 356,236,426.81 and 140,668,734.39 is: 194,121,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,143,767.44 : 356,236,426.81 = 140,668,734.39 : x
  2. Step 2: Convert to fraction form
    258,143,767.44/356,236,426.81 = 140,668,734.39/x
  3. Step 3: Cross multiply
    258,143,767.44x = 356,236,426.81 × 140,668,734.39
  4. Step 4: Simplify right side
    258,143,767.44x = 50,111,327,302,978,560
  5. Step 5: Solve for x
    x = 50,111,327,302,978,560/258,143,767.44
  6. Step 6: Final answer
    x = 194,121,778.73

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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.