Finding the Fourth Proportional to 122,225,163,247.89, 168,670,733,393.11 and 68,030,548,839.41
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Solution
The fourth proportional to 122,225,163,247.89, 168,670,733,393.11 and 68,030,548,839.41 is: 93,882,161,912.98
Step by Step Solution
- Step 1: Write the proportion equation
122,225,163,247.89 : 168,670,733,393.11 = 68,030,548,839.41 : x - Step 2: Convert to fraction form
122,225,163,247.89/168,670,733,393.11 = 68,030,548,839.41/x - Step 3: Cross multiply
122,225,163,247.89x = 168,670,733,393.11 × 68,030,548,839.41 - Step 4: Simplify right side
122,225,163,247.89x = 11,474,762,565,878,227,664,896 - Step 5: Solve for x
x = 11,474,762,565,878,227,664,896/122,225,163,247.89 - Step 6: Final answer
x = 93,882,161,912.98
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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.