Finding the Fourth Proportional to 171,414,371,956.79, 256,951,720,158.35 and 80,493,030,124.09
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Solution
The fourth proportional to 171,414,371,956.79, 256,951,720,158.35 and 80,493,030,124.09 is: 120,659,792,496.03
Step by Step Solution
- Step 1: Write the proportion equation
171,414,371,956.79 : 256,951,720,158.35 = 80,493,030,124.09 : x - Step 2: Convert to fraction form
171,414,371,956.79/256,951,720,158.35 = 80,493,030,124.09/x - Step 3: Cross multiply
171,414,371,956.79x = 256,951,720,158.35 × 80,493,030,124.09 - Step 4: Simplify right side
171,414,371,956.79x = 20,682,822,551,143,582,793,728 - Step 5: Solve for x
x = 20,682,822,551,143,582,793,728/171,414,371,956.79 - Step 6: Final answer
x = 120,659,792,496.03
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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.