Finding the Fourth Proportional to 136,400,035.93, 188,232,125.21 and 73,676,133.57
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Solution
The fourth proportional to 136,400,035.93, 188,232,125.21 and 73,676,133.57 is: 101,673,105.18
Step by Step Solution
- Step 1: Write the proportion equation
136,400,035.93 : 188,232,125.21 = 73,676,133.57 : x - Step 2: Convert to fraction form
136,400,035.93/188,232,125.21 = 73,676,133.57/x - Step 3: Cross multiply
136,400,035.93x = 188,232,125.21 × 73,676,133.57 - Step 4: Simplify right side
136,400,035.93x = 13,868,215,199,136,924 - Step 5: Solve for x
x = 13,868,215,199,136,924/136,400,035.93 - Step 6: Final answer
x = 101,673,105.18
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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.