Home / 255,405,144.76-352,459,086.26-137,930,463.68

Finding the Fourth Proportional to 255,405,144.76, 352,459,086.26 and 137,930,463.68

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Solution

The fourth proportional to 255,405,144.76, 352,459,086.26 and 137,930,463.68 is: 190,344,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,405,144.76 : 352,459,086.26 = 137,930,463.68 : x
  2. Step 2: Convert to fraction form
    255,405,144.76/352,459,086.26 = 137,930,463.68/x
  3. Step 3: Cross multiply
    255,405,144.76x = 352,459,086.26 × 137,930,463.68
  4. Step 4: Simplify right side
    255,405,144.76x = 48,614,845,196,070,920
  5. Step 5: Solve for x
    x = 48,614,845,196,070,920/255,405,144.76
  6. Step 6: Final answer
    x = 190,344,032.58

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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.