Home / 119,232,400.80-178,848,601.20-80,685,213.60

Finding the Fourth Proportional to 119,232,400.80, 178,848,601.20 and 80,685,213.60

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Solution

The fourth proportional to 119,232,400.80, 178,848,601.20 and 80,685,213.60 is: 121,027,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,232,400.80 : 178,848,601.20 = 80,685,213.60 : x
  2. Step 2: Convert to fraction form
    119,232,400.80/178,848,601.20 = 80,685,213.60/x
  3. Step 3: Cross multiply
    119,232,400.80x = 178,848,601.20 × 80,685,213.60
  4. Step 4: Simplify right side
    119,232,400.80x = 14,430,437,589,883,214
  5. Step 5: Solve for x
    x = 14,430,437,589,883,214/119,232,400.80
  6. Step 6: Final answer
    x = 121,027,820.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.