Home / 122,526,751,483.20-169,086,917,372.25-66,202,508,539.19

Finding the Fourth Proportional to 122,526,751,483.20, 169,086,917,372.25 and 66,202,508,539.19

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Solution

The fourth proportional to 122,526,751,483.20, 169,086,917,372.25 and 66,202,508,539.19 is: 91,359,461,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,526,751,483.20 : 169,086,917,372.25 = 66,202,508,539.19 : x
  2. Step 2: Convert to fraction form
    122,526,751,483.20/169,086,917,372.25 = 66,202,508,539.19/x
  3. Step 3: Cross multiply
    122,526,751,483.20x = 169,086,917,372.25 × 66,202,508,539.19
  4. Step 4: Simplify right side
    122,526,751,483.20x = 11,193,978,091,201,357,676,544
  5. Step 5: Solve for x
    x = 11,193,978,091,201,357,676,544/122,526,751,483.20
  6. Step 6: Final answer
    x = 91,359,461,959.91

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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.