Finding the Fourth Proportional to 137,105,524.97, 189,205,991.19 and 74,381,622.75
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Solution
The fourth proportional to 137,105,524.97, 189,205,991.19 and 74,381,622.75 is: 102,646,838.35
Step by Step Solution
- Step 1: Write the proportion equation
137,105,524.97 : 189,205,991.19 = 74,381,622.75 : x - Step 2: Convert to fraction form
137,105,524.97/189,205,991.19 = 74,381,622.75/x - Step 3: Cross multiply
137,105,524.97x = 189,205,991.19 × 74,381,622.75 - Step 4: Simplify right side
137,105,524.97x = 14,073,448,658,734,404 - Step 5: Solve for x
x = 14,073,448,658,734,404/137,105,524.97 - Step 6: Final answer
x = 102,646,838.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.