Finding the Fourth Proportional to 79,746,578.66, 119,619,868 and 19,162,304.66
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Solution
The fourth proportional to 79,746,578.66, 119,619,868 and 19,162,304.66 is: 28,743,456.99
Step by Step Solution
- Step 1: Write the proportion equation
79,746,578.66 : 119,619,868 = 19,162,304.66 : x - Step 2: Convert to fraction form
79,746,578.66/119,619,868 = 19,162,304.66/x - Step 3: Cross multiply
79,746,578.66x = 119,619,868 × 19,162,304.66 - Step 4: Simplify right side
79,746,578.66x = 2,292,192,354,004,985 - Step 5: Solve for x
x = 2,292,192,354,004,985/79,746,578.66 - Step 6: Final answer
x = 28,743,456.99
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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.