Finding the Fourth Proportional to 68,471,792.95, 102,723,436.13 and 22,415,147.59
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Solution
The fourth proportional to 68,471,792.95, 102,723,436.13 and 22,415,147.59 is: 33,627,876.27
Step by Step Solution
- Step 1: Write the proportion equation
68,471,792.95 : 102,723,436.13 = 22,415,147.59 : x - Step 2: Convert to fraction form
68,471,792.95/102,723,436.13 = 22,415,147.59/x - Step 3: Cross multiply
68,471,792.95x = 102,723,436.13 × 22,415,147.59 - Step 4: Simplify right side
68,471,792.95x = 2,302,560,981,437,004 - Step 5: Solve for x
x = 2,302,560,981,437,004/68,471,792.95 - Step 6: Final answer
x = 33,627,876.27
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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.