Finding the Fourth Proportional to 203,850,640.80, 286,197,112.80 and 203,850,640.80
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Solution
The fourth proportional to 203,850,640.80, 286,197,112.80 and 203,850,640.80 is: 286,197,112.80
Step by Step Solution
- Step 1: Write the proportion equation
203,850,640.80 : 286,197,112.80 = 203,850,640.80 : x - Step 2: Convert to fraction form
203,850,640.80/286,197,112.80 = 203,850,640.80/x - Step 3: Cross multiply
203,850,640.80x = 286,197,112.80 × 203,850,640.80 - Step 4: Simplify right side
203,850,640.80x = 58,341,464,839,389,888 - Step 5: Solve for x
x = 58,341,464,839,389,888/203,850,640.80 - Step 6: Final answer
x = 286,197,112.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.