Home / 119,085,884.20-178,628,826.30-118,078,114.60

Finding the Fourth Proportional to 119,085,884.20, 178,628,826.30 and 118,078,114.60

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Solution

The fourth proportional to 119,085,884.20, 178,628,826.30 and 118,078,114.60 is: 177,117,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,085,884.20 : 178,628,826.30 = 118,078,114.60 : x
  2. Step 2: Convert to fraction form
    119,085,884.20/178,628,826.30 = 118,078,114.60/x
  3. Step 3: Cross multiply
    119,085,884.20x = 178,628,826.30 × 118,078,114.60
  4. Step 4: Simplify right side
    119,085,884.20x = 21,092,155,022,714,896
  5. Step 5: Solve for x
    x = 21,092,155,022,714,896/119,085,884.20
  6. Step 6: Final answer
    x = 177,117,171.90

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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.