Finding the Fourth Proportional to 135,328,599.81, 186,755,259.32 and 73,449,680.13
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Solution
The fourth proportional to 135,328,599.81, 186,755,259.32 and 73,449,680.13 is: 101,361,530.96
Step by Step Solution
- Step 1: Write the proportion equation
135,328,599.81 : 186,755,259.32 = 73,449,680.13 : x - Step 2: Convert to fraction form
135,328,599.81/186,755,259.32 = 73,449,680.13/x - Step 3: Cross multiply
135,328,599.81x = 186,755,259.32 × 73,449,680.13 - Step 4: Simplify right side
135,328,599.81x = 13,717,114,059,649,200 - Step 5: Solve for x
x = 13,717,114,059,649,200/135,328,599.81 - Step 6: Final answer
x = 101,361,530.96
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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.