Finding the Fourth Proportional to 296,757,907.80, 445,136,861.70 and 143,702,899.80
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Solution
The fourth proportional to 296,757,907.80, 445,136,861.70 and 143,702,899.80 is: 215,554,349.70
Step by Step Solution
- Step 1: Write the proportion equation
296,757,907.80 : 445,136,861.70 = 143,702,899.80 : x - Step 2: Convert to fraction form
296,757,907.80/445,136,861.70 = 143,702,899.80/x - Step 3: Cross multiply
296,757,907.80x = 445,136,861.70 × 143,702,899.80 - Step 4: Simplify right side
296,757,907.80x = 63,967,457,834,161,560 - Step 5: Solve for x
x = 63,967,457,834,161,560/296,757,907.80 - Step 6: Final answer
x = 215,554,349.70
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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.