Finding the Fourth Proportional to 211,481,219.98, 317,149,989.18 and 73,274,571.46
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Solution
The fourth proportional to 211,481,219.98, 317,149,989.18 and 73,274,571.46 is: 109,886,965.60
Step by Step Solution
- Step 1: Write the proportion equation
211,481,219.98 : 317,149,989.18 = 73,274,571.46 : x - Step 2: Convert to fraction form
211,481,219.98/317,149,989.18 = 73,274,571.46/x - Step 3: Cross multiply
211,481,219.98x = 317,149,989.18 × 73,274,571.46 - Step 4: Simplify right side
211,481,219.98x = 23,239,029,545,708,136 - Step 5: Solve for x
x = 23,239,029,545,708,136/211,481,219.98 - Step 6: Final answer
x = 109,886,965.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.