Finding the Fourth Proportional to 204,636,647.68, 306,957,431.49 and 57,075,225.65
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Solution
The fourth proportional to 204,636,647.68, 306,957,431.49 and 57,075,225.65 is: 85,613,524.58
Step by Step Solution
- Step 1: Write the proportion equation
204,636,647.68 : 306,957,431.49 = 57,075,225.65 : x - Step 2: Convert to fraction form
204,636,647.68/306,957,431.49 = 57,075,225.65/x - Step 3: Cross multiply
204,636,647.68x = 306,957,431.49 × 57,075,225.65 - Step 4: Simplify right side
204,636,647.68x = 17,519,664,666,638,436 - Step 5: Solve for x
x = 17,519,664,666,638,436/204,636,647.68 - Step 6: Final answer
x = 85,613,524.58
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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.