Finding the Fourth Proportional to 87,825,794.06, 121,200,317.88 and 48,668,224.74
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Solution
The fourth proportional to 87,825,794.06, 121,200,317.88 and 48,668,224.74 is: 67,162,550.28
Step by Step Solution
- Step 1: Write the proportion equation
87,825,794.06 : 121,200,317.88 = 48,668,224.74 : x - Step 2: Convert to fraction form
87,825,794.06/121,200,317.88 = 48,668,224.74/x - Step 3: Cross multiply
87,825,794.06x = 121,200,317.88 × 48,668,224.74 - Step 4: Simplify right side
87,825,794.06x = 5,898,604,309,143,280 - Step 5: Solve for x
x = 5,898,604,309,143,280/87,825,794.06 - Step 6: Final answer
x = 67,162,550.28
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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.