Home / 215,403,383,983.37-323,105,075,997.30-71,982,412,229.35

Finding the Fourth Proportional to 215,403,383,983.37, 323,105,075,997.30 and 71,982,412,229.35

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Solution

The fourth proportional to 215,403,383,983.37, 323,105,075,997.30 and 71,982,412,229.35 is: 107,973,618,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,403,383,983.37 : 323,105,075,997.30 = 71,982,412,229.35 : x
  2. Step 2: Convert to fraction form
    215,403,383,983.37/323,105,075,997.30 = 71,982,412,229.35/x
  3. Step 3: Cross multiply
    215,403,383,983.37x = 323,105,075,997.30 × 71,982,412,229.35
  4. Step 4: Simplify right side
    215,403,383,983.37x = 23,257,882,773,833,109,209,088
  5. Step 5: Solve for x
    x = 23,257,882,773,833,109,209,088/215,403,383,983.37
  6. Step 6: Final answer
    x = 107,973,618,351.46

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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.