Finding the Fourth Proportional to 135,381,748.16, 203,153,311.68 and 49,126,883.84
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Solution
The fourth proportional to 135,381,748.16, 203,153,311.68 and 49,126,883.84 is: 73,719,606.08
Step by Step Solution
- Step 1: Write the proportion equation
135,381,748.16 : 203,153,311.68 = 49,126,883.84 : x - Step 2: Convert to fraction form
135,381,748.16/203,153,311.68 = 49,126,883.84/x - Step 3: Cross multiply
135,381,748.16x = 203,153,311.68 × 49,126,883.84 - Step 4: Simplify right side
135,381,748.16x = 9,980,289,144,614,676 - Step 5: Solve for x
x = 9,980,289,144,614,676/135,381,748.16 - Step 6: Final answer
x = 73,719,606.08
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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.