Finding the Fourth Proportional to 154,771,065.97, 232,302,051.11 and 81,047,761.79
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Solution
The fourth proportional to 154,771,065.97, 232,302,051.11 and 81,047,761.79 is: 121,647,810.49
Step by Step Solution
- Step 1: Write the proportion equation
154,771,065.97 : 232,302,051.11 = 81,047,761.79 : x - Step 2: Convert to fraction form
154,771,065.97/232,302,051.11 = 81,047,761.79/x - Step 3: Cross multiply
154,771,065.97x = 232,302,051.11 × 81,047,761.79 - Step 4: Simplify right side
154,771,065.97x = 18,827,561,301,691,688 - Step 5: Solve for x
x = 18,827,561,301,691,688/154,771,065.97 - Step 6: Final answer
x = 121,647,810.49
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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.