Finding the Fourth Proportional to 168,397,715.70, 252,596,573.55 and 168,397,715.70
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Solution
The fourth proportional to 168,397,715.70, 252,596,573.55 and 168,397,715.70 is: 252,596,573.55
Step by Step Solution
- Step 1: Write the proportion equation
168,397,715.70 : 252,596,573.55 = 168,397,715.70 : x - Step 2: Convert to fraction form
168,397,715.70/252,596,573.55 = 168,397,715.70/x - Step 3: Cross multiply
168,397,715.70x = 252,596,573.55 × 168,397,715.70 - Step 4: Simplify right side
168,397,715.70x = 42,536,685,979,467,040 - Step 5: Solve for x
x = 42,536,685,979,467,040/168,397,715.70 - Step 6: Final answer
x = 252,596,573.55
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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.