Finding the Fourth Proportional to 311,558,542.96, 467,324,820.60 and 81,522,534.64
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Solution
The fourth proportional to 311,558,542.96, 467,324,820.60 and 81,522,534.64 is: 122,280,401.99
Step by Step Solution
- Step 1: Write the proportion equation
311,558,542.96 : 467,324,820.60 = 81,522,534.64 : x - Step 2: Convert to fraction form
311,558,542.96/467,324,820.60 = 81,522,534.64/x - Step 3: Cross multiply
311,558,542.96x = 467,324,820.60 × 81,522,534.64 - Step 4: Simplify right side
311,558,542.96x = 38,097,503,875,495,288 - Step 5: Solve for x
x = 38,097,503,875,495,288/311,558,542.96 - Step 6: Final answer
x = 122,280,401.99
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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.