Finding the Fourth Proportional to 188,250,783.78, 259,705,497.11 and 117,563,675.09
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Solution
The fourth proportional to 188,250,783.78, 259,705,497.11 and 117,563,675.09 is: 162,187,546.14
Step by Step Solution
- Step 1: Write the proportion equation
188,250,783.78 : 259,705,497.11 = 117,563,675.09 : x - Step 2: Convert to fraction form
188,250,783.78/259,705,497.11 = 117,563,675.09/x - Step 3: Cross multiply
188,250,783.78x = 259,705,497.11 × 117,563,675.09 - Step 4: Simplify right side
188,250,783.78x = 30,531,932,679,440,624 - Step 5: Solve for x
x = 30,531,932,679,440,624/188,250,783.78 - Step 6: Final answer
x = 162,187,546.14
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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.