Finding the Fourth Proportional to 81,756,497.87, 122,585,351.68 and 32,579,916.61
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Solution
The fourth proportional to 81,756,497.87, 122,585,351.68 and 32,579,916.61 is: 48,850,190.98
Step by Step Solution
- Step 1: Write the proportion equation
81,756,497.87 : 122,585,351.68 = 32,579,916.61 : x - Step 2: Convert to fraction form
81,756,497.87/122,585,351.68 = 32,579,916.61/x - Step 3: Cross multiply
81,756,497.87x = 122,585,351.68 × 32,579,916.61 - Step 4: Simplify right side
81,756,497.87x = 3,993,820,534,566,097 - Step 5: Solve for x
x = 3,993,820,534,566,097/81,756,497.87 - Step 6: Final answer
x = 48,850,190.98
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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.