Finding the Fourth Proportional to 153,476,436.88, 229,802,124.76 and 116,910,639.12
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Solution
The fourth proportional to 153,476,436.88, 229,802,124.76 and 116,910,639.12 is: 175,051,713.62
Step by Step Solution
- Step 1: Write the proportion equation
153,476,436.88 : 229,802,124.76 = 116,910,639.12 : x - Step 2: Convert to fraction form
153,476,436.88/229,802,124.76 = 116,910,639.12/x - Step 3: Cross multiply
153,476,436.88x = 229,802,124.76 × 116,910,639.12 - Step 4: Simplify right side
153,476,436.88x = 26,866,313,276,825,576 - Step 5: Solve for x
x = 26,866,313,276,825,576/153,476,436.88 - Step 6: Final answer
x = 175,051,713.62
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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.