Finding the Fourth Proportional to 230,868,394.92, 318,598,692.24 and 125,021,992.88
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Solution
The fourth proportional to 230,868,394.92, 318,598,692.24 and 125,021,992.88 is: 172,530,516.56
Step by Step Solution
- Step 1: Write the proportion equation
230,868,394.92 : 318,598,692.24 = 125,021,992.88 : x - Step 2: Convert to fraction form
230,868,394.92/318,598,692.24 = 125,021,992.88/x - Step 3: Cross multiply
230,868,394.92x = 318,598,692.24 × 125,021,992.88 - Step 4: Simplify right side
230,868,394.92x = 39,831,843,432,806,592 - Step 5: Solve for x
x = 39,831,843,432,806,592/230,868,394.92 - Step 6: Final answer
x = 172,530,516.56
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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.