Finding the Fourth Proportional to 122,023,438.82, 168,391,770.51 and 66,268,469.06
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Solution
The fourth proportional to 122,023,438.82, 168,391,770.51 and 66,268,469.06 is: 91,450,175.00
Step by Step Solution
- Step 1: Write the proportion equation
122,023,438.82 : 168,391,770.51 = 66,268,469.06 : x - Step 2: Convert to fraction form
122,023,438.82/168,391,770.51 = 66,268,469.06/x - Step 3: Cross multiply
122,023,438.82x = 168,391,770.51 × 66,268,469.06 - Step 4: Simplify right side
122,023,438.82x = 11,159,064,834,000,556 - Step 5: Solve for x
x = 11,159,064,834,000,556/122,023,438.82 - Step 6: Final answer
x = 91,450,175.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.