Home / 119,232,401.80-178,848,602.70-80,685,214.60

Finding the Fourth Proportional to 119,232,401.80, 178,848,602.70 and 80,685,214.60

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Solution

The fourth proportional to 119,232,401.80, 178,848,602.70 and 80,685,214.60 is: 121,027,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,232,401.80 : 178,848,602.70 = 80,685,214.60 : x
  2. Step 2: Convert to fraction form
    119,232,401.80/178,848,602.70 = 80,685,214.60/x
  3. Step 3: Cross multiply
    119,232,401.80x = 178,848,602.70 × 80,685,214.60
  4. Step 4: Simplify right side
    119,232,401.80x = 14,430,437,889,759,638
  5. Step 5: Solve for x
    x = 14,430,437,889,759,638/119,232,401.80
  6. Step 6: Final answer
    x = 121,027,821.90

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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.