Finding the Fourth Proportional to 68,614,427,189.24, 94,690,208,763 and 38,131,895,361.57
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Solution
The fourth proportional to 68,614,427,189.24, 94,690,208,763 and 38,131,895,361.57 is: 52,623,293,383.43
Step by Step Solution
- Step 1: Write the proportion equation
68,614,427,189.24 : 94,690,208,763 = 38,131,895,361.57 : x - Step 2: Convert to fraction form
68,614,427,189.24/94,690,208,763 = 38,131,895,361.57/x - Step 3: Cross multiply
68,614,427,189.24x = 94,690,208,763 × 38,131,895,361.57 - Step 4: Simplify right side
68,614,427,189.24x = 3,610,717,132,315,556,315,136 - Step 5: Solve for x
x = 3,610,717,132,315,556,315,136/68,614,427,189.24 - Step 6: Final answer
x = 52,623,293,383.43
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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.