Finding the Fourth Proportional to 192,068,336.79, 265,079,536.34 and 109,543,203.99
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Solution
The fourth proportional to 192,068,336.79, 265,079,536.34 and 109,543,203.99 is: 151,184,011.94
Step by Step Solution
- Step 1: Write the proportion equation
192,068,336.79 : 265,079,536.34 = 109,543,203.99 : x - Step 2: Convert to fraction form
192,068,336.79/265,079,536.34 = 109,543,203.99/x - Step 3: Cross multiply
192,068,336.79x = 265,079,536.34 × 109,543,203.99 - Step 4: Simplify right side
192,068,336.79x = 29,037,661,722,319,520 - Step 5: Solve for x
x = 29,037,661,722,319,520/192,068,336.79 - Step 6: Final answer
x = 151,184,011.94
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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.