Home / 122,101,841.35-168,501,605.30-66,347,261.57

Finding the Fourth Proportional to 122,101,841.35, 168,501,605.30 and 66,347,261.57

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Solution

The fourth proportional to 122,101,841.35, 168,501,605.30 and 66,347,261.57 is: 91,559,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,101,841.35 : 168,501,605.30 = 66,347,261.57 : x
  2. Step 2: Convert to fraction form
    122,101,841.35/168,501,605.30 = 66,347,261.57/x
  3. Step 3: Cross multiply
    122,101,841.35x = 168,501,605.30 × 66,347,261.57
  4. Step 4: Simplify right side
    122,101,841.35x = 11,179,620,080,629,752
  5. Step 5: Solve for x
    x = 11,179,620,080,629,752/122,101,841.35
  6. Step 6: Final answer
    x = 91,559,799.24

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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.