Finding the Fourth Proportional to 227,772,811.29, 314,324,914.65 and 123,348,492.99
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Solution
The fourth proportional to 227,772,811.29, 314,324,914.65 and 123,348,492.99 is: 170,220,072.85
Step by Step Solution
- Step 1: Write the proportion equation
227,772,811.29 : 314,324,914.65 = 123,348,492.99 : x - Step 2: Convert to fraction form
227,772,811.29/314,324,914.65 = 123,348,492.99/x - Step 3: Cross multiply
227,772,811.29x = 314,324,914.65 × 123,348,492.99 - Step 4: Simplify right side
227,772,811.29x = 38,771,504,531,287,872 - Step 5: Solve for x
x = 38,771,504,531,287,872/227,772,811.29 - Step 6: Final answer
x = 170,220,072.85
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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.