Finding the Fourth Proportional to 171,414,371,958.63, 256,951,720,161.12 and 80,493,030,125.97
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Solution
The fourth proportional to 171,414,371,958.63, 256,951,720,161.12 and 80,493,030,125.97 is: 120,659,792,498.85
Step by Step Solution
- Step 1: Write the proportion equation
171,414,371,958.63 : 256,951,720,161.12 = 80,493,030,125.97 : x - Step 2: Convert to fraction form
171,414,371,958.63/256,951,720,161.12 = 80,493,030,125.97/x - Step 3: Cross multiply
171,414,371,958.63x = 256,951,720,161.12 × 80,493,030,125.97 - Step 4: Simplify right side
171,414,371,958.63x = 20,682,822,551,849,618,374,656 - Step 5: Solve for x
x = 20,682,822,551,849,618,374,656/171,414,371,958.63 - Step 6: Final answer
x = 120,659,792,498.85
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1.5x scale
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.