Finding the Fourth Proportional to 79,661,088.99, 109,903,141.82 and 48,276,496.95
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Solution
The fourth proportional to 79,661,088.99, 109,903,141.82 and 48,276,496.95 is: 66,603,893.54
Step by Step Solution
- Step 1: Write the proportion equation
79,661,088.99 : 109,903,141.82 = 48,276,496.95 : x - Step 2: Convert to fraction form
79,661,088.99/109,903,141.82 = 48,276,496.95/x - Step 3: Cross multiply
79,661,088.99x = 109,903,141.82 × 48,276,496.95 - Step 4: Simplify right side
79,661,088.99x = 5,305,738,690,627,265 - Step 5: Solve for x
x = 5,305,738,690,627,265/79,661,088.99 - Step 6: Final answer
x = 66,603,893.54
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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.