Finding the Fourth Proportional to 79,965,717.93, 119,948,578.25 and 19,381,443.93
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Solution
The fourth proportional to 79,965,717.93, 119,948,578.25 and 19,381,443.93 is: 29,072,166.22
Step by Step Solution
- Step 1: Write the proportion equation
79,965,717.93 : 119,948,578.25 = 19,381,443.93 : x - Step 2: Convert to fraction form
79,965,717.93/119,948,578.25 = 19,381,443.93/x - Step 3: Cross multiply
79,965,717.93x = 119,948,578.25 × 19,381,443.93 - Step 4: Simplify right side
79,965,717.93x = 2,324,776,643,738,685.50 - Step 5: Solve for x
x = 2,324,776,643,738,685.50/79,965,717.93 - Step 6: Final answer
x = 29,072,166.22
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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.