Finding the Fourth Proportional to 203,756,800.80, 305,635,201.20 and 122,127,463.20
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Solution
The fourth proportional to 203,756,800.80, 305,635,201.20 and 122,127,463.20 is: 183,191,194.80
Step by Step Solution
- Step 1: Write the proportion equation
203,756,800.80 : 305,635,201.20 = 122,127,463.20 : x - Step 2: Convert to fraction form
203,756,800.80/305,635,201.20 = 122,127,463.20/x - Step 3: Cross multiply
203,756,800.80x = 305,635,201.20 × 122,127,463.20 - Step 4: Simplify right side
203,756,800.80x = 37,326,451,787,177,592 - Step 5: Solve for x
x = 37,326,451,787,177,592/203,756,800.80 - Step 6: Final answer
x = 183,191,194.80
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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.