Finding the Fourth Proportional to 126,336,057.21, 174,344,960.93 and 74,125,981.17
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Solution
The fourth proportional to 126,336,057.21, 174,344,960.93 and 74,125,981.17 is: 102,294,559.26
Step by Step Solution
- Step 1: Write the proportion equation
126,336,057.21 : 174,344,960.93 = 74,125,981.17 : x - Step 2: Convert to fraction form
126,336,057.21/174,344,960.93 = 74,125,981.17/x - Step 3: Cross multiply
126,336,057.21x = 174,344,960.93 × 74,125,981.17 - Step 4: Simplify right side
126,336,057.21x = 12,923,491,290,610,936 - Step 5: Solve for x
x = 12,923,491,290,610,936/126,336,057.21 - Step 6: Final answer
x = 102,294,559.26
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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.