Finding the Fourth Proportional to 115,560,355.80, 173,340,533.70 and 38,857,891.80
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Solution
The fourth proportional to 115,560,355.80, 173,340,533.70 and 38,857,891.80 is: 58,286,837.70
Step by Step Solution
- Step 1: Write the proportion equation
115,560,355.80 : 173,340,533.70 = 38,857,891.80 : x - Step 2: Convert to fraction form
115,560,355.80/173,340,533.70 = 38,857,891.80/x - Step 3: Cross multiply
115,560,355.80x = 173,340,533.70 × 38,857,891.80 - Step 4: Simplify right side
115,560,355.80x = 6,735,647,703,068,853 - Step 5: Solve for x
x = 6,735,647,703,068,853/115,560,355.80 - Step 6: Final answer
x = 58,286,837.70
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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.