Home / 119,650,346.37-165,253,679.69-80,424,021.15

Finding the Fourth Proportional to 119,650,346.37, 165,253,679.69 and 80,424,021.15

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Solution

The fourth proportional to 119,650,346.37, 165,253,679.69 and 80,424,021.15 is: 111,076,698.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,650,346.37 : 165,253,679.69 = 80,424,021.15 : x
  2. Step 2: Convert to fraction form
    119,650,346.37/165,253,679.69 = 80,424,021.15/x
  3. Step 3: Cross multiply
    119,650,346.37x = 165,253,679.69 × 80,424,021.15
  4. Step 4: Simplify right side
    119,650,346.37x = 13,290,365,430,101,766
  5. Step 5: Solve for x
    x = 13,290,365,430,101,766/119,650,346.37
  6. Step 6: Final answer
    x = 111,076,698.34

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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.