Finding the Fourth Proportional to 126,116,439.57, 174,040,716.29 and 71,112,307.41
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Solution
The fourth proportional to 126,116,439.57, 174,040,716.29 and 71,112,307.41 is: 98,135,000.96
Step by Step Solution
- Step 1: Write the proportion equation
126,116,439.57 : 174,040,716.29 = 71,112,307.41 : x - Step 2: Convert to fraction form
126,116,439.57/174,040,716.29 = 71,112,307.41/x - Step 3: Cross multiply
126,116,439.57x = 174,040,716.29 × 71,112,307.41 - Step 4: Simplify right side
126,116,439.57x = 12,376,436,918,315,512 - Step 5: Solve for x
x = 12,376,436,918,315,512/126,116,439.57 - Step 6: Final answer
x = 98,135,000.96
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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.