Finding the Fourth Proportional to 79,640,677.62, 119,507,380.83 and 33,579,658.26
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Solution
The fourth proportional to 79,640,677.62, 119,507,380.83 and 33,579,658.26 is: 50,389,036.45
Step by Step Solution
- Step 1: Write the proportion equation
79,640,677.62 : 119,507,380.83 = 33,579,658.26 : x - Step 2: Convert to fraction form
79,640,677.62/119,507,380.83 = 33,579,658.26/x - Step 3: Cross multiply
79,640,677.62x = 119,507,380.83 × 33,579,658.26 - Step 4: Simplify right side
79,640,677.62x = 4,013,017,007,819,075 - Step 5: Solve for x
x = 4,013,017,007,819,075/79,640,677.62 - Step 6: Final answer
x = 50,389,036.45
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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.