Finding the Fourth Proportional to 186,748,550.10, 257,734,857.66 and 155,331,170.62
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Solution
The fourth proportional to 186,748,550.10, 257,734,857.66 and 155,331,170.62 is: 214,375,196.63
Step by Step Solution
- Step 1: Write the proportion equation
186,748,550.10 : 257,734,857.66 = 155,331,170.62 : x - Step 2: Convert to fraction form
186,748,550.10/257,734,857.66 = 155,331,170.62/x - Step 3: Cross multiply
186,748,550.10x = 257,734,857.66 × 155,331,170.62 - Step 4: Simplify right side
186,748,550.10x = 40,034,257,148,678,488 - Step 5: Solve for x
x = 40,034,257,148,678,488/186,748,550.10 - Step 6: Final answer
x = 214,375,196.63
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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.