Finding the Fourth Proportional to 81,471,914.92, 112,433,373.41 and 44,304,368.98
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Solution
The fourth proportional to 81,471,914.92, 112,433,373.41 and 44,304,368.98 is: 61,141,187.93
Step by Step Solution
- Step 1: Write the proportion equation
81,471,914.92 : 112,433,373.41 = 44,304,368.98 : x - Step 2: Convert to fraction form
81,471,914.92/112,433,373.41 = 44,304,368.98/x - Step 3: Cross multiply
81,471,914.92x = 112,433,373.41 × 44,304,368.98 - Step 4: Simplify right side
81,471,914.92x = 4,981,289,660,439,072 - Step 5: Solve for x
x = 4,981,289,660,439,072/81,471,914.92 - Step 6: Final answer
x = 61,141,187.93
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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.