Finding the Fourth Proportional to 119,815,106,375.14, 165,350,044,290.67 and 66,351,078,893.12
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Solution
The fourth proportional to 119,815,106,375.14, 165,350,044,290.67 and 66,351,078,893.12 is: 91,567,367,134.50
Step by Step Solution
- Step 1: Write the proportion equation
119,815,106,375.14 : 165,350,044,290.67 = 66,351,078,893.12 : x - Step 2: Convert to fraction form
119,815,106,375.14/165,350,044,290.67 = 66,351,078,893.12/x - Step 3: Cross multiply
119,815,106,375.14x = 165,350,044,290.67 × 66,351,078,893.12 - Step 4: Simplify right side
119,815,106,375.14x = 10,971,153,833,711,133,261,824 - Step 5: Solve for x
x = 10,971,153,833,711,133,261,824/119,815,106,375.14 - Step 6: Final answer
x = 91,567,367,134.50
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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.