Home / 165,441,999.60-248,162,999.40-111,022,441.20

Finding the Fourth Proportional to 165,441,999.60, 248,162,999.40 and 111,022,441.20

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Solution

The fourth proportional to 165,441,999.60, 248,162,999.40 and 111,022,441.20 is: 166,533,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,441,999.60 : 248,162,999.40 = 111,022,441.20 : x
  2. Step 2: Convert to fraction form
    165,441,999.60/248,162,999.40 = 111,022,441.20/x
  3. Step 3: Cross multiply
    165,441,999.60x = 248,162,999.40 × 111,022,441.20
  4. Step 4: Simplify right side
    165,441,999.60x = 27,551,662,008,902,136
  5. Step 5: Solve for x
    x = 27,551,662,008,902,136/165,441,999.60
  6. Step 6: Final answer
    x = 166,533,661.80

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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.