Home / 190,028,910.40-285,043,365.60-162,819,131.20

Finding the Fourth Proportional to 190,028,910.40, 285,043,365.60 and 162,819,131.20

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Solution

The fourth proportional to 190,028,910.40, 285,043,365.60 and 162,819,131.20 is: 244,228,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,028,910.40 : 285,043,365.60 = 162,819,131.20 : x
  2. Step 2: Convert to fraction form
    190,028,910.40/285,043,365.60 = 162,819,131.20/x
  3. Step 3: Cross multiply
    190,028,910.40x = 285,043,365.60 × 162,819,131.20
  4. Step 4: Simplify right side
    190,028,910.40x = 46,410,513,141,315,968
  5. Step 5: Solve for x
    x = 46,410,513,141,315,968/190,028,910.40
  6. Step 6: Final answer
    x = 244,228,696.80

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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.