Finding the Fourth Proportional to 122,887,104.45, 169,586,704.05 and 67,136,135.84
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Solution
The fourth proportional to 122,887,104.45, 169,586,704.05 and 67,136,135.84 is: 92,649,233.22
Step by Step Solution
- Step 1: Write the proportion equation
122,887,104.45 : 169,586,704.05 = 67,136,135.84 : x - Step 2: Convert to fraction form
122,887,104.45/169,586,704.05 = 67,136,135.84/x - Step 3: Cross multiply
122,887,104.45x = 169,586,704.05 × 67,136,135.84 - Step 4: Simplify right side
122,887,104.45x = 11,385,395,999,771,812 - Step 5: Solve for x
x = 11,385,395,999,771,812/122,887,104.45 - Step 6: Final answer
x = 92,649,233.22
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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.