Finding the Fourth Proportional to 126,701,971.53, 174,848,720.73 and 68,755,219.53
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Solution
The fourth proportional to 126,701,971.53, 174,848,720.73 and 68,755,219.53 is: 94,882,202.96
Step by Step Solution
- Step 1: Write the proportion equation
126,701,971.53 : 174,848,720.73 = 68,755,219.53 : x - Step 2: Convert to fraction form
126,701,971.53/174,848,720.73 = 68,755,219.53/x - Step 3: Cross multiply
126,701,971.53x = 174,848,720.73 × 68,755,219.53 - Step 4: Simplify right side
126,701,971.53x = 12,021,762,178,330,812 - Step 5: Solve for x
x = 12,021,762,178,330,812/126,701,971.53 - Step 6: Final answer
x = 94,882,202.96
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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.