Finding the Fourth Proportional to 113,763,589.41, 156,993,750.95 and 61,552,625.09
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Solution
The fourth proportional to 113,763,589.41, 156,993,750.95 and 61,552,625.09 is: 84,942,621.30
Step by Step Solution
- Step 1: Write the proportion equation
113,763,589.41 : 156,993,750.95 = 61,552,625.09 : x - Step 2: Convert to fraction form
113,763,589.41/156,993,750.95 = 61,552,625.09/x - Step 3: Cross multiply
113,763,589.41x = 156,993,750.95 × 61,552,625.09 - Step 4: Simplify right side
113,763,589.41x = 9,663,377,492,605,450 - Step 5: Solve for x
x = 9,663,377,492,605,450/113,763,589.41 - Step 6: Final answer
x = 84,942,621.30
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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.