Finding the Fourth Proportional to 124,821,254.80, 186,866,928.60 and 88,989,446.80
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Solution
The fourth proportional to 124,821,254.80, 186,866,928.60 and 88,989,446.80 is: 133,223,981.99
Step by Step Solution
- Step 1: Write the proportion equation
124,821,254.80 : 186,866,928.60 = 88,989,446.80 : x - Step 2: Convert to fraction form
124,821,254.80/186,866,928.60 = 88,989,446.80/x - Step 3: Cross multiply
124,821,254.80x = 186,866,928.60 × 88,989,446.80 - Step 4: Simplify right side
124,821,254.80x = 16,629,184,601,329,098 - Step 5: Solve for x
x = 16,629,184,601,329,098/124,821,254.80 - Step 6: Final answer
x = 133,223,981.99
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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.