Home / 255,579,162.56-352,699,229.37-138,104,489.45

Finding the Fourth Proportional to 255,579,162.56, 352,699,229.37 and 138,104,489.45

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Solution

The fourth proportional to 255,579,162.56, 352,699,229.37 and 138,104,489.45 is: 190,584,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,579,162.56 : 352,699,229.37 = 138,104,489.45 : x
  2. Step 2: Convert to fraction form
    255,579,162.56/352,699,229.37 = 138,104,489.45/x
  3. Step 3: Cross multiply
    255,579,162.56x = 352,699,229.37 × 138,104,489.45
  4. Step 4: Simplify right side
    255,579,162.56x = 48,709,347,002,434,040
  5. Step 5: Solve for x
    x = 48,709,347,002,434,040/255,579,162.56
  6. Step 6: Final answer
    x = 190,584,187.36

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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.