Finding the Fourth Proportional to 208,496,204.01, 287,724,796.79 and 115,676,490.42
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Solution
The fourth proportional to 208,496,204.01, 287,724,796.79 and 115,676,490.42 is: 159,633,576.34
Step by Step Solution
- Step 1: Write the proportion equation
208,496,204.01 : 287,724,796.79 = 115,676,490.42 : x - Step 2: Convert to fraction form
208,496,204.01/287,724,796.79 = 115,676,490.42/x - Step 3: Cross multiply
208,496,204.01x = 287,724,796.79 × 115,676,490.42 - Step 4: Simplify right side
208,496,204.01x = 33,282,994,698,896,504 - Step 5: Solve for x
x = 33,282,994,698,896,504/208,496,204.01 - Step 6: Final answer
x = 159,633,576.34
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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.