Finding the Fourth Proportional to 68,036,420.36, 102,055,037.18 and 16,918,439.18
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Solution
The fourth proportional to 68,036,420.36, 102,055,037.18 and 16,918,439.18 is: 25,377,759.89
Step by Step Solution
- Step 1: Write the proportion equation
68,036,420.36 : 102,055,037.18 = 16,918,439.18 : x - Step 2: Convert to fraction form
68,036,420.36/102,055,037.18 = 16,918,439.18/x - Step 3: Cross multiply
68,036,420.36x = 102,055,037.18 × 16,918,439.18 - Step 4: Simplify right side
68,036,420.36x = 1,726,611,939,542,468.75 - Step 5: Solve for x
x = 1,726,611,939,542,468.75/68,036,420.36 - Step 6: Final answer
x = 25,377,759.89
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1.5x scale
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.