Finding the Fourth Proportional to 294,075,614.48, 405,821,013.96 and 161,913,912.08
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Solution
The fourth proportional to 294,075,614.48, 405,821,013.96 and 161,913,912.08 is: 223,439,363.00
Step by Step Solution
- Step 1: Write the proportion equation
294,075,614.48 : 405,821,013.96 = 161,913,912.08 : x - Step 2: Convert to fraction form
294,075,614.48/405,821,013.96 = 161,913,912.08/x - Step 3: Cross multiply
294,075,614.48x = 405,821,013.96 × 161,913,912.08 - Step 4: Simplify right side
294,075,614.48x = 65,708,067,974,535,896 - Step 5: Solve for x
x = 65,708,067,974,535,896/294,075,614.48 - Step 6: Final answer
x = 223,439,363.00
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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.