Finding the Fourth Proportional to 273,477,711.60, 377,403,741.72 and 149,716,347.12
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Solution
The fourth proportional to 273,477,711.60, 377,403,741.72 and 149,716,347.12 is: 206,611,022.41
Step by Step Solution
- Step 1: Write the proportion equation
273,477,711.60 : 377,403,741.72 = 149,716,347.12 : x - Step 2: Convert to fraction form
273,477,711.60/377,403,741.72 = 149,716,347.12/x - Step 3: Cross multiply
273,477,711.60x = 377,403,741.72 × 149,716,347.12 - Step 4: Simplify right side
273,477,711.60x = 56,503,509,599,738,352 - Step 5: Solve for x
x = 56,503,509,599,738,352/273,477,711.60 - Step 6: Final answer
x = 206,611,022.41
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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.