Home / 143,522,266.20-215,283,399.30-135,963,994.20

Finding the Fourth Proportional to 143,522,266.20, 215,283,399.30 and 135,963,994.20

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Solution

The fourth proportional to 143,522,266.20, 215,283,399.30 and 135,963,994.20 is: 203,945,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,522,266.20 : 215,283,399.30 = 135,963,994.20 : x
  2. Step 2: Convert to fraction form
    143,522,266.20/215,283,399.30 = 135,963,994.20/x
  3. Step 3: Cross multiply
    143,522,266.20x = 215,283,399.30 × 135,963,994.20
  4. Step 4: Simplify right side
    143,522,266.20x = 29,270,790,853,781,484
  5. Step 5: Solve for x
    x = 29,270,790,853,781,484/143,522,266.20
  6. Step 6: Final answer
    x = 203,945,991.30

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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.