Home / 120,516,008,336.62-166,312,118,651.27-66,322,556,971.97

Finding the Fourth Proportional to 120,516,008,336.62, 166,312,118,651.27 and 66,322,556,971.97

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Solution

The fourth proportional to 120,516,008,336.62, 166,312,118,651.27 and 66,322,556,971.97 is: 91,525,143,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,516,008,336.62 : 166,312,118,651.27 = 66,322,556,971.97 : x
  2. Step 2: Convert to fraction form
    120,516,008,336.62/166,312,118,651.27 = 66,322,556,971.97/x
  3. Step 3: Cross multiply
    120,516,008,336.62x = 166,312,118,651.27 × 66,322,556,971.97
  4. Step 4: Simplify right side
    120,516,008,336.62x = 11,030,244,964,377,055,723,520
  5. Step 5: Solve for x
    x = 11,030,244,964,377,055,723,520/120,516,008,336.62
  6. Step 6: Final answer
    x = 91,525,143,560.74

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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.