Finding the Fourth Proportional to 274,039,044.05, 378,173,471.88 and 148,591,012.12
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Solution
The fourth proportional to 274,039,044.05, 378,173,471.88 and 148,591,012.12 is: 205,055,375.00
Step by Step Solution
- Step 1: Write the proportion equation
274,039,044.05 : 378,173,471.88 = 148,591,012.12 : x - Step 2: Convert to fraction form
274,039,044.05/378,173,471.88 = 148,591,012.12/x - Step 3: Cross multiply
274,039,044.05x = 378,173,471.88 × 148,591,012.12 - Step 4: Simplify right side
274,039,044.05x = 56,193,178,942,638,128 - Step 5: Solve for x
x = 56,193,178,942,638,128/274,039,044.05 - Step 6: Final answer
x = 205,055,375.00
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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.