Finding the Fourth Proportional to 49,698,563.50, 68,583,198.81 and 29,075,503.42
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Solution
The fourth proportional to 49,698,563.50, 68,583,198.81 and 29,075,503.42 is: 40,123,715.68
Step by Step Solution
- Step 1: Write the proportion equation
49,698,563.50 : 68,583,198.81 = 29,075,503.42 : x - Step 2: Convert to fraction form
49,698,563.50/68,583,198.81 = 29,075,503.42/x - Step 3: Cross multiply
49,698,563.50x = 68,583,198.81 × 29,075,503.42 - Step 4: Simplify right side
49,698,563.50x = 1,994,091,031,492,270 - Step 5: Solve for x
x = 1,994,091,031,492,270/49,698,563.50 - Step 6: Final answer
x = 40,123,715.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.