Finding the Fourth Proportional to 213,341,668.24, 294,411,511.92 and 115,556,524.24
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Solution
The fourth proportional to 213,341,668.24, 294,411,511.92 and 115,556,524.24 is: 159,468,008.73
Step by Step Solution
- Step 1: Write the proportion equation
213,341,668.24 : 294,411,511.92 = 115,556,524.24 : x - Step 2: Convert to fraction form
213,341,668.24/294,411,511.92 = 115,556,524.24/x - Step 3: Cross multiply
213,341,668.24x = 294,411,511.92 × 115,556,524.24 - Step 4: Simplify right side
213,341,668.24x = 34,021,171,013,718,528 - Step 5: Solve for x
x = 34,021,171,013,718,528/213,341,668.24 - Step 6: Final answer
x = 159,468,008.73
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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.