Finding the Fourth Proportional to 112,752,107.67, 169,153,326.59 and 36,079,736.79
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Solution
The fourth proportional to 112,752,107.67, 169,153,326.59 and 36,079,736.79 is: 54,127,657.80
Step by Step Solution
- Step 1: Write the proportion equation
112,752,107.67 : 169,153,326.59 = 36,079,736.79 : x - Step 2: Convert to fraction form
112,752,107.67/169,153,326.59 = 36,079,736.79/x - Step 3: Cross multiply
112,752,107.67x = 169,153,326.59 × 36,079,736.79 - Step 4: Simplify right side
112,752,107.67x = 6,103,007,500,339,710 - Step 5: Solve for x
x = 6,103,007,500,339,710/112,752,107.67 - Step 6: Final answer
x = 54,127,657.80
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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.