Finding the Fourth Proportional to 134,919,571.21, 202,379,355.44 and 48,657,976.70
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Solution
The fourth proportional to 134,919,571.21, 202,379,355.44 and 48,657,976.70 is: 72,986,964.55
Step by Step Solution
- Step 1: Write the proportion equation
134,919,571.21 : 202,379,355.44 = 48,657,976.70 : x - Step 2: Convert to fraction form
134,919,571.21/202,379,355.44 = 48,657,976.70/x - Step 3: Cross multiply
134,919,571.21x = 202,379,355.44 × 48,657,976.70 - Step 4: Simplify right side
134,919,571.21x = 9,847,369,961,560,538 - Step 5: Solve for x
x = 9,847,369,961,560,538/134,919,571.21 - Step 6: Final answer
x = 72,986,964.55
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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.