Finding the Fourth Proportional to 168,260,123.70, 252,413,805.15 and 53,232,671.70
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Solution
The fourth proportional to 168,260,123.70, 252,413,805.15 and 53,232,671.70 is: 79,856,480.11
Step by Step Solution
- Step 1: Write the proportion equation
168,260,123.70 : 252,413,805.15 = 53,232,671.70 : x - Step 2: Convert to fraction form
168,260,123.70/252,413,805.15 = 53,232,671.70/x - Step 3: Cross multiply
168,260,123.70x = 252,413,805.15 × 53,232,671.70 - Step 4: Simplify right side
168,260,123.70x = 13,436,661,222,097,720 - Step 5: Solve for x
x = 13,436,661,222,097,720/168,260,123.70 - Step 6: Final answer
x = 79,856,480.11
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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.