Finding the Fourth Proportional to 87,176,000.24, 120,302,879.88 and 50,527,828.88
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Solution
The fourth proportional to 87,176,000.24, 120,302,879.88 and 50,527,828.88 is: 69,728,403.59
Step by Step Solution
- Step 1: Write the proportion equation
87,176,000.24 : 120,302,879.88 = 50,527,828.88 : x - Step 2: Convert to fraction form
87,176,000.24/120,302,879.88 = 50,527,828.88/x - Step 3: Cross multiply
87,176,000.24x = 120,302,879.88 × 50,527,828.88 - Step 4: Simplify right side
87,176,000.24x = 6,078,643,328,347,835 - Step 5: Solve for x
x = 6,078,643,328,347,835/87,176,000.24 - Step 6: Final answer
x = 69,728,403.59
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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.