Home / 190,028,015.40-285,042,023.10-162,818,236.20

Finding the Fourth Proportional to 190,028,015.40, 285,042,023.10 and 162,818,236.20

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Solution

The fourth proportional to 190,028,015.40, 285,042,023.10 and 162,818,236.20 is: 244,227,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,028,015.40 : 285,042,023.10 = 162,818,236.20 : x
  2. Step 2: Convert to fraction form
    190,028,015.40/285,042,023.10 = 162,818,236.20/x
  3. Step 3: Cross multiply
    190,028,015.40x = 285,042,023.10 × 162,818,236.20
  4. Step 4: Simplify right side
    190,028,015.40x = 46,410,039,444,021,656
  5. Step 5: Solve for x
    x = 46,410,039,444,021,656/190,028,015.40
  6. Step 6: Final answer
    x = 244,227,354.30

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1.5x scale

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.