Finding the Fourth Proportional to 118,088,916.72, 177,121,415.58 and 31,836,042.42
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Solution
The fourth proportional to 118,088,916.72, 177,121,415.58 and 31,836,042.42 is: 47,750,839.42
Step by Step Solution
- Step 1: Write the proportion equation
118,088,916.72 : 177,121,415.58 = 31,836,042.42 : x - Step 2: Convert to fraction form
118,088,916.72/177,121,415.58 = 31,836,042.42/x - Step 3: Cross multiply
118,088,916.72x = 177,121,415.58 × 31,836,042.42 - Step 4: Simplify right side
118,088,916.72x = 5,638,844,899,895,330 - Step 5: Solve for x
x = 5,638,844,899,895,330/118,088,916.72 - Step 6: Final answer
x = 47,750,839.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.