Finding the Fourth Proportional to 217,554,751.20, 326,236,365.28 and 115,294,830.24
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Solution
The fourth proportional to 217,554,751.20, 326,236,365.28 and 115,294,830.24 is: 172,891,495.80
Step by Step Solution
- Step 1: Write the proportion equation
217,554,751.20 : 326,236,365.28 = 115,294,830.24 : x - Step 2: Convert to fraction form
217,554,751.20/326,236,365.28 = 115,294,830.24/x - Step 3: Cross multiply
217,554,751.20x = 326,236,365.28 × 115,294,830.24 - Step 4: Simplify right side
217,554,751.20x = 37,613,366,353,072,224 - Step 5: Solve for x
x = 37,613,366,353,072,224/217,554,751.20 - Step 6: Final answer
x = 172,891,495.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.