Home / 219,654,722.35-303,128,147.71-120,534,602.73

Finding the Fourth Proportional to 219,654,722.35, 303,128,147.71 and 120,534,602.73

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Solution

The fourth proportional to 219,654,722.35, 303,128,147.71 and 120,534,602.73 is: 166,340,292.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,654,722.35 : 303,128,147.71 = 120,534,602.73 : x
  2. Step 2: Convert to fraction form
    219,654,722.35/303,128,147.71 = 120,534,602.73/x
  3. Step 3: Cross multiply
    219,654,722.35x = 303,128,147.71 × 120,534,602.73
  4. Step 4: Simplify right side
    219,654,722.35x = 36,537,430,860,505,608
  5. Step 5: Solve for x
    x = 36,537,430,860,505,608/219,654,722.35
  6. Step 6: Final answer
    x = 166,340,292.94

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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.