Home / 391,844,943.21-587,768,623.55-96,740,096.97

Finding the Fourth Proportional to 391,844,943.21, 587,768,623.55 and 96,740,096.97

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Solution

The fourth proportional to 391,844,943.21, 587,768,623.55 and 96,740,096.97 is: 145,110,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,844,943.21 : 587,768,623.55 = 96,740,096.97 : x
  2. Step 2: Convert to fraction form
    391,844,943.21/587,768,623.55 = 96,740,096.97/x
  3. Step 3: Cross multiply
    391,844,943.21x = 587,768,623.55 × 96,740,096.97
  4. Step 4: Simplify right side
    391,844,943.21x = 56,860,793,637,666,720
  5. Step 5: Solve for x
    x = 56,860,793,637,666,720/391,844,943.21
  6. Step 6: Final answer
    x = 145,110,443.87

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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.