Finding the Fourth Proportional to 136,478,201.80, 204,717,302.70 and 84,822,136.60
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Solution
The fourth proportional to 136,478,201.80, 204,717,302.70 and 84,822,136.60 is: 127,233,204.90
Step by Step Solution
- Step 1: Write the proportion equation
136,478,201.80 : 204,717,302.70 = 84,822,136.60 : x - Step 2: Convert to fraction form
136,478,201.80/204,717,302.70 = 84,822,136.60/x - Step 3: Cross multiply
136,478,201.80x = 204,717,302.70 × 84,822,136.60 - Step 4: Simplify right side
136,478,201.80x = 17,364,559,014,002,946 - Step 5: Solve for x
x = 17,364,559,014,002,946/136,478,201.80 - Step 6: Final answer
x = 127,233,204.90
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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.