Finding the Fourth Proportional to 135,390,532,380.56, 203,086,663,986.78 and 39,776,160,118.84
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Solution
The fourth proportional to 135,390,532,380.56, 203,086,663,986.78 and 39,776,160,118.84 is: 59,664,494,427.37
Step by Step Solution
- Step 1: Write the proportion equation
135,390,532,380.56 : 203,086,663,986.78 = 39,776,160,118.84 : x - Step 2: Convert to fraction form
135,390,532,380.56/203,086,663,986.78 = 39,776,160,118.84/x - Step 3: Cross multiply
135,390,532,380.56x = 203,086,663,986.78 × 39,776,160,118.84 - Step 4: Simplify right side
135,390,532,380.56x = 8,078,007,664,739,217,309,696 - Step 5: Solve for x
x = 8,078,007,664,739,217,309,696/135,390,532,380.56 - Step 6: Final answer
x = 59,664,494,427.37
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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.