Home / 255,405,215.61-352,459,183.82-137,930,534.37

Finding the Fourth Proportional to 255,405,215.61, 352,459,183.82 and 137,930,534.37

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Solution

The fourth proportional to 255,405,215.61, 352,459,183.82 and 137,930,534.37 is: 190,344,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,405,215.61 : 352,459,183.82 = 137,930,534.37 : x
  2. Step 2: Convert to fraction form
    255,405,215.61/352,459,183.82 = 137,930,534.37/x
  3. Step 3: Cross multiply
    255,405,215.61x = 352,459,183.82 × 137,930,534.37
  4. Step 4: Simplify right side
    255,405,215.61x = 48,614,883,567,217,008
  5. Step 5: Solve for x
    x = 48,614,883,567,217,008/255,405,215.61
  6. Step 6: Final answer
    x = 190,344,130.02

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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.