Home / 211,175,189,146.82-291,427,284,200.91-114,836,910,065.48

Finding the Fourth Proportional to 211,175,189,146.82, 291,427,284,200.91 and 114,836,910,065.48

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Solution

The fourth proportional to 211,175,189,146.82, 291,427,284,200.91 and 114,836,910,065.48 is: 158,477,939,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,175,189,146.82 : 291,427,284,200.91 = 114,836,910,065.48 : x
  2. Step 2: Convert to fraction form
    211,175,189,146.82/291,427,284,200.91 = 114,836,910,065.48/x
  3. Step 3: Cross multiply
    211,175,189,146.82x = 291,427,284,200.91 × 114,836,910,065.48
  4. Step 4: Simplify right side
    211,175,189,146.82x = 33,466,608,826,406,978,715,648
  5. Step 5: Solve for x
    x = 33,466,608,826,406,978,715,648/211,175,189,146.82
  6. Step 6: Final answer
    x = 158,477,939,390.59

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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.