Finding the Fourth Proportional to 126,701,998.06, 174,848,757.36 and 68,755,246.06
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Solution
The fourth proportional to 126,701,998.06, 174,848,757.36 and 68,755,246.06 is: 94,882,239.58
Step by Step Solution
- Step 1: Write the proportion equation
126,701,998.06 : 174,848,757.36 = 68,755,246.06 : x - Step 2: Convert to fraction form
126,701,998.06/174,848,757.36 = 68,755,246.06/x - Step 3: Cross multiply
126,701,998.06x = 174,848,757.36 × 68,755,246.06 - Step 4: Simplify right side
126,701,998.06x = 12,021,769,335,572,038 - Step 5: Solve for x
x = 12,021,769,335,572,038/126,701,998.06 - Step 6: Final answer
x = 94,882,239.58
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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.