Finding the Fourth Proportional to 79,991,032,853.09, 119,902,557,354.19 and 26,913,638,912.20
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Solution
The fourth proportional to 79,991,032,853.09, 119,902,557,354.19 and 26,913,638,912.20 is: 40,342,198,596.26
Step by Step Solution
- Step 1: Write the proportion equation
79,991,032,853.09 : 119,902,557,354.19 = 26,913,638,912.20 : x - Step 2: Convert to fraction form
79,991,032,853.09/119,902,557,354.19 = 26,913,638,912.20/x - Step 3: Cross multiply
79,991,032,853.09x = 119,902,557,354.19 × 26,913,638,912.20 - Step 4: Simplify right side
79,991,032,853.09x = 3,227,014,133,279,780,503,552 - Step 5: Solve for x
x = 3,227,014,133,279,780,503,552/79,991,032,853.09 - Step 6: Final answer
x = 40,342,198,596.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.