Finding the Fourth Proportional to 155,018,990.98, 213,782,510.79 and 113,136,716.26
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Solution
The fourth proportional to 155,018,990.98, 213,782,510.79 and 113,136,716.26 is: 156,023,794.96
Step by Step Solution
- Step 1: Write the proportion equation
155,018,990.98 : 213,782,510.79 = 113,136,716.26 : x - Step 2: Convert to fraction form
155,018,990.98/213,782,510.79 = 113,136,716.26/x - Step 3: Cross multiply
155,018,990.98x = 213,782,510.79 × 113,136,716.26 - Step 4: Simplify right side
155,018,990.98x = 24,186,651,263,529,704 - Step 5: Solve for x
x = 24,186,651,263,529,704/155,018,990.98 - Step 6: Final answer
x = 156,023,794.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.