Home / 189,990,555,672.51-262,192,086,889.92-111,781,110,952.26

Finding the Fourth Proportional to 189,990,555,672.51, 262,192,086,889.92 and 111,781,110,952.26

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Solution

The fourth proportional to 189,990,555,672.51, 262,192,086,889.92 and 111,781,110,952.26 is: 154,260,945,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,990,555,672.51 : 262,192,086,889.92 = 111,781,110,952.26 : x
  2. Step 2: Convert to fraction form
    189,990,555,672.51/262,192,086,889.92 = 111,781,110,952.26/x
  3. Step 3: Cross multiply
    189,990,555,672.51x = 262,192,086,889.92 × 111,781,110,952.26
  4. Step 4: Simplify right side
    189,990,555,672.51x = 29,308,122,755,446,742,188,032
  5. Step 5: Solve for x
    x = 29,308,122,755,446,742,188,032/189,990,555,672.51
  6. Step 6: Final answer
    x = 154,260,945,507.03

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1.5x scale

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.