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Finding the Fourth Proportional to 190,092,022.20, 285,138,033.30 and 190,092,022.20

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Solution

The fourth proportional to 190,092,022.20, 285,138,033.30 and 190,092,022.20 is: 285,138,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,092,022.20 : 285,138,033.30 = 190,092,022.20 : x
  2. Step 2: Convert to fraction form
    190,092,022.20/285,138,033.30 = 190,092,022.20/x
  3. Step 3: Cross multiply
    190,092,022.20x = 285,138,033.30 × 190,092,022.20
  4. Step 4: Simplify right side
    190,092,022.20x = 54,202,465,356,127,936
  5. Step 5: Solve for x
    x = 54,202,465,356,127,936/190,092,022.20
  6. Step 6: Final answer
    x = 285,138,033.30

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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.