Finding the Fourth Proportional to 68,057,587.17, 102,085,855.74 and 16,939,261.53
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Solution
The fourth proportional to 68,057,587.17, 102,085,855.74 and 16,939,261.53 is: 25,408,761.62
Step by Step Solution
- Step 1: Write the proportion equation
68,057,587.17 : 102,085,855.74 = 16,939,261.53 : x - Step 2: Convert to fraction form
68,057,587.17/102,085,855.74 = 16,939,261.53/x - Step 3: Cross multiply
68,057,587.17x = 102,085,855.74 × 16,939,261.53 - Step 4: Simplify right side
68,057,587.17x = 1,729,259,008,893,711.75 - Step 5: Solve for x
x = 1,729,259,008,893,711.75/68,057,587.17 - Step 6: Final answer
x = 25,408,761.62
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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.