Home / 190,028,906.40-285,043,359.60-162,819,127.20

Finding the Fourth Proportional to 190,028,906.40, 285,043,359.60 and 162,819,127.20

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Solution

The fourth proportional to 190,028,906.40, 285,043,359.60 and 162,819,127.20 is: 244,228,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,028,906.40 : 285,043,359.60 = 162,819,127.20 : x
  2. Step 2: Convert to fraction form
    190,028,906.40/285,043,359.60 = 162,819,127.20/x
  3. Step 3: Cross multiply
    190,028,906.40x = 285,043,359.60 × 162,819,127.20
  4. Step 4: Simplify right side
    190,028,906.40x = 46,410,511,024,227,744
  5. Step 5: Solve for x
    x = 46,410,511,024,227,744/190,028,906.40
  6. Step 6: Final answer
    x = 244,228,690.80

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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.