Finding the Fourth Proportional to 202,088,892.90, 303,133,339.35 and 125,561,388.90
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Solution
The fourth proportional to 202,088,892.90, 303,133,339.35 and 125,561,388.90 is: 188,342,083.35
Step by Step Solution
- Step 1: Write the proportion equation
202,088,892.90 : 303,133,339.35 = 125,561,388.90 : x - Step 2: Convert to fraction form
202,088,892.90/303,133,339.35 = 125,561,388.90/x - Step 3: Cross multiply
202,088,892.90x = 303,133,339.35 × 125,561,388.90 - Step 4: Simplify right side
202,088,892.90x = 38,061,843,110,681,032 - Step 5: Solve for x
x = 38,061,843,110,681,032/202,088,892.90 - Step 6: Final answer
x = 188,342,083.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.