Home / 258,906,378.24-357,289,712.64-143,012,874.24

Finding the Fourth Proportional to 258,906,378.24, 357,289,712.64 and 143,012,874.24

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Solution

The fourth proportional to 258,906,378.24, 357,289,712.64 and 143,012,874.24 is: 197,357,164.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,906,378.24 : 357,289,712.64 = 143,012,874.24 : x
  2. Step 2: Convert to fraction form
    258,906,378.24/357,289,712.64 = 143,012,874.24/x
  3. Step 3: Cross multiply
    258,906,378.24x = 357,289,712.64 × 143,012,874.24
  4. Step 4: Simplify right side
    258,906,378.24x = 51,097,028,741,030,056
  5. Step 5: Solve for x
    x = 51,097,028,741,030,056/258,906,378.24
  6. Step 6: Final answer
    x = 197,357,164.73

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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.