Home / 122,526,751,611.51-169,086,917,549.25-66,202,508,667.51

Finding the Fourth Proportional to 122,526,751,611.51, 169,086,917,549.25 and 66,202,508,667.51

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Solution

The fourth proportional to 122,526,751,611.51, 169,086,917,549.25 and 66,202,508,667.51 is: 91,359,462,136.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,526,751,611.51 : 169,086,917,549.25 = 66,202,508,667.51 : x
  2. Step 2: Convert to fraction form
    122,526,751,611.51/169,086,917,549.25 = 66,202,508,667.51/x
  3. Step 3: Cross multiply
    122,526,751,611.51x = 169,086,917,549.25 × 66,202,508,667.51
  4. Step 4: Simplify right side
    122,526,751,611.51x = 11,193,978,124,616,771,567,616
  5. Step 5: Solve for x
    x = 11,193,978,124,616,771,567,616/122,526,751,611.51
  6. Step 6: Final answer
    x = 91,359,462,136.96

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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.