Home / 215,403,383,986.47-323,105,076,001.91-71,982,412,232.43

Finding the Fourth Proportional to 215,403,383,986.47, 323,105,076,001.91 and 71,982,412,232.43

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Solution

The fourth proportional to 215,403,383,986.47, 323,105,076,001.91 and 71,982,412,232.43 is: 107,973,618,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,403,383,986.47 : 323,105,076,001.91 = 71,982,412,232.43 : x
  2. Step 2: Convert to fraction form
    215,403,383,986.47/323,105,076,001.91 = 71,982,412,232.43/x
  3. Step 3: Cross multiply
    215,403,383,986.47x = 323,105,076,001.91 × 71,982,412,232.43
  4. Step 4: Simplify right side
    215,403,383,986.47x = 23,257,882,775,158,496,690,176
  5. Step 5: Solve for x
    x = 23,257,882,775,158,496,690,176/215,403,383,986.47
  6. Step 6: Final answer
    x = 107,973,618,356.06

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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.