Home / 154,618,933,704.69-213,370,782,455.91-89,516,106,074.16

Finding the Fourth Proportional to 154,618,933,704.69, 213,370,782,455.91 and 89,516,106,074.16

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Solution

The fourth proportional to 154,618,933,704.69, 213,370,782,455.91 and 89,516,106,074.16 is: 123,530,289,194.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,618,933,704.69 : 213,370,782,455.91 = 89,516,106,074.16 : x
  2. Step 2: Convert to fraction form
    154,618,933,704.69/213,370,782,455.91 = 89,516,106,074.16/x
  3. Step 3: Cross multiply
    154,618,933,704.69x = 213,370,782,455.91 × 89,516,106,074.16
  4. Step 4: Simplify right side
    154,618,933,704.69x = 19,100,121,595,449,756,876,800
  5. Step 5: Solve for x
    x = 19,100,121,595,449,756,876,800/154,618,933,704.69
  6. Step 6: Final answer
    x = 123,530,289,194.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.