Finding the Fourth Proportional to 135,417,205.11, 203,061,774.08 and 52,457,811.85
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Solution
The fourth proportional to 135,417,205.11, 203,061,774.08 and 52,457,811.85 is: 78,661,912.49
Step by Step Solution
- Step 1: Write the proportion equation
135,417,205.11 : 203,061,774.08 = 52,457,811.85 : x - Step 2: Convert to fraction form
135,417,205.11/203,061,774.08 = 52,457,811.85/x - Step 3: Cross multiply
135,417,205.11x = 203,061,774.08 × 52,457,811.85 - Step 4: Simplify right side
135,417,205.11x = 10,652,176,337,600,538 - Step 5: Solve for x
x = 10,652,176,337,600,538/135,417,205.11 - Step 6: Final answer
x = 78,661,912.49
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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.