Finding the Fourth Proportional to 208,325,692.26, 287,357,697.09 and 133,858,267.74
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Solution
The fourth proportional to 208,325,692.26, 287,357,697.09 and 133,858,267.74 is: 184,639,749.12
Step by Step Solution
- Step 1: Write the proportion equation
208,325,692.26 : 287,357,697.09 = 133,858,267.74 : x - Step 2: Convert to fraction form
208,325,692.26/287,357,697.09 = 133,858,267.74/x - Step 3: Cross multiply
208,325,692.26x = 287,357,697.09 × 133,858,267.74 - Step 4: Simplify right side
208,325,692.26x = 38,465,203,554,223,032 - Step 5: Solve for x
x = 38,465,203,554,223,032/208,325,692.26 - Step 6: Final answer
x = 184,639,749.12
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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.