Finding the Fourth Proportional to 96,668,520.93, 133,405,445.91 and 59,520,232.18
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Solution
The fourth proportional to 96,668,520.93, 133,405,445.91 and 59,520,232.18 is: 82,139,697.99
Step by Step Solution
- Step 1: Write the proportion equation
96,668,520.93 : 133,405,445.91 = 59,520,232.18 : x - Step 2: Convert to fraction form
96,668,520.93/133,405,445.91 = 59,520,232.18/x - Step 3: Cross multiply
96,668,520.93x = 133,405,445.91 × 59,520,232.18 - Step 4: Simplify right side
96,668,520.93x = 7,940,323,114,639,631 - Step 5: Solve for x
x = 7,940,323,114,639,631/96,668,520.93 - Step 6: Final answer
x = 82,139,697.99
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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.