Finding the Fourth Proportional to 96,277,825.80, 144,416,738.70 and 87,963,726.60
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Solution
The fourth proportional to 96,277,825.80, 144,416,738.70 and 87,963,726.60 is: 131,945,589.90
Step by Step Solution
- Step 1: Write the proportion equation
96,277,825.80 : 144,416,738.70 = 87,963,726.60 : x - Step 2: Convert to fraction form
96,277,825.80/144,416,738.70 = 87,963,726.60/x - Step 3: Cross multiply
96,277,825.80x = 144,416,738.70 × 87,963,726.60 - Step 4: Simplify right side
96,277,825.80x = 12,703,434,519,470,438 - Step 5: Solve for x
x = 12,703,434,519,470,438/96,277,825.80 - Step 6: Final answer
x = 131,945,589.90
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1.5x scale
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.