Finding the Fourth Proportional to 87,492,738.06, 120,743,431.65 and 50,322,958.70
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Solution
The fourth proportional to 87,492,738.06, 120,743,431.65 and 50,322,958.70 is: 69,447,669.12
Step by Step Solution
- Step 1: Write the proportion equation
87,492,738.06 : 120,743,431.65 = 50,322,958.70 : x - Step 2: Convert to fraction form
87,492,738.06/120,743,431.65 = 50,322,958.70/x - Step 3: Cross multiply
87,492,738.06x = 120,743,431.65 × 50,322,958.70 - Step 4: Simplify right side
87,492,738.06x = 6,076,166,723,615,506 - Step 5: Solve for x
x = 6,076,166,723,615,506/87,492,738.06 - Step 6: Final answer
x = 69,447,669.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.