Finding the Fourth Proportional to 89,529,574.40, 134,294,361.60 and 62,319,795.20
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Solution
The fourth proportional to 89,529,574.40, 134,294,361.60 and 62,319,795.20 is: 93,479,692.80
Step by Step Solution
- Step 1: Write the proportion equation
89,529,574.40 : 134,294,361.60 = 62,319,795.20 : x - Step 2: Convert to fraction form
89,529,574.40/134,294,361.60 = 62,319,795.20/x - Step 3: Cross multiply
89,529,574.40x = 134,294,361.60 × 62,319,795.20 - Step 4: Simplify right side
89,529,574.40x = 8,369,197,111,426,744 - Step 5: Solve for x
x = 8,369,197,111,426,744/89,529,574.40 - Step 6: Final answer
x = 93,479,692.80
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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.