Finding the Fourth Proportional to 126,701,887.82, 174,848,605.18 and 68,755,135.82
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Solution
The fourth proportional to 126,701,887.82, 174,848,605.18 and 68,755,135.82 is: 94,882,087.43
Step by Step Solution
- Step 1: Write the proportion equation
126,701,887.82 : 174,848,605.18 = 68,755,135.82 : x - Step 2: Convert to fraction form
126,701,887.82/174,848,605.18 = 68,755,135.82/x - Step 3: Cross multiply
126,701,887.82x = 174,848,605.18 × 68,755,135.82 - Step 4: Simplify right side
126,701,887.82x = 12,021,739,597,088,454 - Step 5: Solve for x
x = 12,021,739,597,088,454/126,701,887.82 - Step 6: Final answer
x = 94,882,087.43
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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.