Home / 215,403,383,982.37-323,105,075,995.80-71,982,412,228.35

Finding the Fourth Proportional to 215,403,383,982.37, 323,105,075,995.80 and 71,982,412,228.35

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Solution

The fourth proportional to 215,403,383,982.37, 323,105,075,995.80 and 71,982,412,228.35 is: 107,973,618,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,403,383,982.37 : 323,105,075,995.80 = 71,982,412,228.35 : x
  2. Step 2: Convert to fraction form
    215,403,383,982.37/323,105,075,995.80 = 71,982,412,228.35/x
  3. Step 3: Cross multiply
    215,403,383,982.37x = 323,105,075,995.80 × 71,982,412,228.35
  4. Step 4: Simplify right side
    215,403,383,982.37x = 23,257,882,773,400,412,225,536
  5. Step 5: Solve for x
    x = 23,257,882,773,400,412,225,536/215,403,383,982.37
  6. Step 6: Final answer
    x = 107,973,618,349.95

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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.