Finding the Fourth Proportional to 212,008,168.35, 292,569,512.34 and 119,189,088.99
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Solution
The fourth proportional to 212,008,168.35, 292,569,512.34 and 119,189,088.99 is: 164,479,953.36
Step by Step Solution
- Step 1: Write the proportion equation
212,008,168.35 : 292,569,512.34 = 119,189,088.99 : x - Step 2: Convert to fraction form
212,008,168.35/292,569,512.34 = 119,189,088.99/x - Step 3: Cross multiply
212,008,168.35x = 292,569,512.34 × 119,189,088.99 - Step 4: Simplify right side
212,008,168.35x = 34,871,093,642,053,160 - Step 5: Solve for x
x = 34,871,093,642,053,160/212,008,168.35 - Step 6: Final answer
x = 164,479,953.36
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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.