Finding the Fourth Proportional to 124,107,677.48, 171,280,692.30 and 92,691,183.98
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Solution
The fourth proportional to 124,107,677.48, 171,280,692.30 and 92,691,183.98 is: 127,922,868.95
Step by Step Solution
- Step 1: Write the proportion equation
124,107,677.48 : 171,280,692.30 = 92,691,183.98 : x - Step 2: Convert to fraction form
124,107,677.48/171,280,692.30 = 92,691,183.98/x - Step 3: Cross multiply
124,107,677.48x = 171,280,692.30 × 92,691,183.98 - Step 4: Simplify right side
124,107,677.48x = 15,876,210,162,201,072 - Step 5: Solve for x
x = 15,876,210,162,201,072/124,107,677.48 - Step 6: Final answer
x = 127,922,868.95
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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.