Finding the Fourth Proportional to 115,561,447.88, 159,474,213.35 and 62,637,942.36
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Solution
The fourth proportional to 115,561,447.88, 159,474,213.35 and 62,637,942.36 is: 86,440,043.52
Step by Step Solution
- Step 1: Write the proportion equation
115,561,447.88 : 159,474,213.35 = 62,637,942.36 : x - Step 2: Convert to fraction form
115,561,447.88/159,474,213.35 = 62,637,942.36/x - Step 3: Cross multiply
115,561,447.88x = 159,474,213.35 × 62,637,942.36 - Step 4: Simplify right side
115,561,447.88x = 9,989,136,583,410,452 - Step 5: Solve for x
x = 9,989,136,583,410,452/115,561,447.88 - Step 6: Final answer
x = 86,440,043.52
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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.