Finding the Fourth Proportional to 81,471,914.67, 112,433,373.06 and 44,304,368.73
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Solution
The fourth proportional to 81,471,914.67, 112,433,373.06 and 44,304,368.73 is: 61,141,187.58
Step by Step Solution
- Step 1: Write the proportion equation
81,471,914.67 : 112,433,373.06 = 44,304,368.73 : x - Step 2: Convert to fraction form
81,471,914.67/112,433,373.06 = 44,304,368.73/x - Step 3: Cross multiply
81,471,914.67x = 112,433,373.06 × 44,304,368.73 - Step 4: Simplify right side
81,471,914.67x = 4,981,289,617,045,722 - Step 5: Solve for x
x = 4,981,289,617,045,722/81,471,914.67 - Step 6: Final answer
x = 61,141,187.58
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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.