Finding the Fourth Proportional to 189,558,607.70, 284,337,911.55 and 160,860,793.70
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Solution
The fourth proportional to 189,558,607.70, 284,337,911.55 and 160,860,793.70 is: 241,291,190.55
Step by Step Solution
- Step 1: Write the proportion equation
189,558,607.70 : 284,337,911.55 = 160,860,793.70 : x - Step 2: Convert to fraction form
189,558,607.70/284,337,911.55 = 160,860,793.70/x - Step 3: Cross multiply
189,558,607.70x = 284,337,911.55 × 160,860,793.70 - Step 4: Simplify right side
189,558,607.70x = 45,738,822,130,933,392 - Step 5: Solve for x
x = 45,738,822,130,933,392/189,558,607.70 - Step 6: Final answer
x = 241,291,190.55
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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.