Finding the Fourth Proportional to 226,172,569.56, 312,131,478.28 and 170,319,449.07
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Solution
The fourth proportional to 226,172,569.56, 312,131,478.28 and 170,319,449.07 is: 235,050,879.60
Step by Step Solution
- Step 1: Write the proportion equation
226,172,569.56 : 312,131,478.28 = 170,319,449.07 : x - Step 2: Convert to fraction form
226,172,569.56/312,131,478.28 = 170,319,449.07/x - Step 3: Cross multiply
226,172,569.56x = 312,131,478.28 × 170,319,449.07 - Step 4: Simplify right side
226,172,569.56x = 53,162,061,417,202,664 - Step 5: Solve for x
x = 53,162,061,417,202,664/226,172,569.56 - Step 6: Final answer
x = 235,050,879.60
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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.