Home / 121,278,106,767.26-166,487,382,656.78-104,101,139,355.86

Finding the Fourth Proportional to 121,278,106,767.26, 166,487,382,656.78 and 104,101,139,355.86

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Solution

The fourth proportional to 121,278,106,767.26, 166,487,382,656.78 and 104,101,139,355.86 is: 142,907,295,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,278,106,767.26 : 166,487,382,656.78 = 104,101,139,355.86 : x
  2. Step 2: Convert to fraction form
    121,278,106,767.26/166,487,382,656.78 = 104,101,139,355.86/x
  3. Step 3: Cross multiply
    121,278,106,767.26x = 166,487,382,656.78 × 104,101,139,355.86
  4. Step 4: Simplify right side
    121,278,106,767.26x = 17,331,526,222,945,844,199,424
  5. Step 5: Solve for x
    x = 17,331,526,222,945,844,199,424/121,278,106,767.26
  6. Step 6: Final answer
    x = 142,907,295,347.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.