Finding the Fourth Proportional to 170,648,857.84, 235,493,747.26 and 92,330,692.92
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Solution
The fourth proportional to 170,648,857.84, 235,493,747.26 and 92,330,692.92 is: 127,415,449.12
Step by Step Solution
- Step 1: Write the proportion equation
170,648,857.84 : 235,493,747.26 = 92,330,692.92 : x - Step 2: Convert to fraction form
170,648,857.84/235,493,747.26 = 92,330,692.92/x - Step 3: Cross multiply
170,648,857.84x = 235,493,747.26 × 92,330,692.92 - Step 4: Simplify right side
170,648,857.84x = 21,743,300,862,843,152 - Step 5: Solve for x
x = 21,743,300,862,843,152/170,648,857.84 - Step 6: Final answer
x = 127,415,449.12
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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.