Home / 391,346,715.42-587,004,752.16-132,561,935.33

Finding the Fourth Proportional to 391,346,715.42, 587,004,752.16 and 132,561,935.33

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Solution

The fourth proportional to 391,346,715.42, 587,004,752.16 and 132,561,935.33 is: 198,837,713.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,346,715.42 : 587,004,752.16 = 132,561,935.33 : x
  2. Step 2: Convert to fraction form
    391,346,715.42/587,004,752.16 = 132,561,935.33/x
  3. Step 3: Cross multiply
    391,346,715.42x = 587,004,752.16 × 132,561,935.33
  4. Step 4: Simplify right side
    391,346,715.42x = 77,814,485,991,301,568
  5. Step 5: Solve for x
    x = 77,814,485,991,301,568/391,346,715.42
  6. Step 6: Final answer
    x = 198,837,713.27

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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.