Finding the Fourth Proportional to 87,701,471,385.14, 121,024,899,074.40 and 49,638,861,167.96
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Solution
The fourth proportional to 87,701,471,385.14, 121,024,899,074.40 and 49,638,861,167.96 is: 68,499,856,024.52
Step by Step Solution
- Step 1: Write the proportion equation
87,701,471,385.14 : 121,024,899,074.40 = 49,638,861,167.96 : x - Step 2: Convert to fraction form
87,701,471,385.14/121,024,899,074.40 = 49,638,861,167.96/x - Step 3: Cross multiply
87,701,471,385.14x = 121,024,899,074.40 × 49,638,861,167.96 - Step 4: Simplify right side
87,701,471,385.14x = 6,007,538,163,020,512,362,496 - Step 5: Solve for x
x = 6,007,538,163,020,512,362,496/87,701,471,385.14 - Step 6: Final answer
x = 68,499,856,024.52
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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.