Finding the Fourth Proportional to 115,985,713.88, 173,863,651.90 and 54,464,743.99
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Solution
The fourth proportional to 115,985,713.88, 173,863,651.90 and 54,464,743.99 is: 81,643,152.18
Step by Step Solution
- Step 1: Write the proportion equation
115,985,713.88 : 173,863,651.90 = 54,464,743.99 : x - Step 2: Convert to fraction form
115,985,713.88/173,863,651.90 = 54,464,743.99/x - Step 3: Cross multiply
115,985,713.88x = 173,863,651.90 × 54,464,743.99 - Step 4: Simplify right side
115,985,713.88x = 9,469,439,289,329,156 - Step 5: Solve for x
x = 9,469,439,289,329,156/115,985,713.88 - Step 6: Final answer
x = 81,643,152.18
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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.