Finding the Fourth Proportional to 135,109,133.94, 186,467,872.41 and 75,573,738.66
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Solution
The fourth proportional to 135,109,133.94, 186,467,872.41 and 75,573,738.66 is: 104,301,418.02
Step by Step Solution
- Step 1: Write the proportion equation
135,109,133.94 : 186,467,872.41 = 75,573,738.66 : x - Step 2: Convert to fraction form
135,109,133.94/186,467,872.41 = 75,573,738.66/x - Step 3: Cross multiply
135,109,133.94x = 186,467,872.41 × 75,573,738.66 - Step 4: Simplify right side
135,109,133.94x = 14,092,074,257,999,564 - Step 5: Solve for x
x = 14,092,074,257,999,564/135,109,133.94 - Step 6: Final answer
x = 104,301,418.02
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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.