Home / 391,346,706.16-587,004,738.30-132,561,926.06

Finding the Fourth Proportional to 391,346,706.16, 587,004,738.30 and 132,561,926.06

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Solution

The fourth proportional to 391,346,706.16, 587,004,738.30 and 132,561,926.06 is: 198,837,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,346,706.16 : 587,004,738.30 = 132,561,926.06 : x
  2. Step 2: Convert to fraction form
    391,346,706.16/587,004,738.30 = 132,561,926.06/x
  3. Step 3: Cross multiply
    391,346,706.16x = 587,004,738.30 × 132,561,926.06
  4. Step 4: Simplify right side
    391,346,706.16x = 77,814,478,715,394,240
  5. Step 5: Solve for x
    x = 77,814,478,715,394,240/391,346,706.16
  6. Step 6: Final answer
    x = 198,837,699.39

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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.