Home / 255,495,835.56-352,584,566.55-138,021,163.37

Finding the Fourth Proportional to 255,495,835.56, 352,584,566.55 and 138,021,163.37

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Solution

The fourth proportional to 255,495,835.56, 352,584,566.55 and 138,021,163.37 is: 190,469,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,495,835.56 : 352,584,566.55 = 138,021,163.37 : x
  2. Step 2: Convert to fraction form
    255,495,835.56/352,584,566.55 = 138,021,163.37/x
  3. Step 3: Cross multiply
    255,495,835.56x = 352,584,566.55 × 138,021,163.37
  4. Step 4: Simplify right side
    255,495,835.56x = 48,664,132,061,538,192
  5. Step 5: Solve for x
    x = 48,664,132,061,538,192/255,495,835.56
  6. Step 6: Final answer
    x = 190,469,374.79

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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.