Finding the Fourth Proportional to 225,426,121.49, 338,254,879.31 and 107,384,562.49
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Solution
The fourth proportional to 225,426,121.49, 338,254,879.31 and 107,384,562.49 is: 161,131,957.49
Step by Step Solution
- Step 1: Write the proportion equation
225,426,121.49 : 338,254,879.31 = 107,384,562.49 : x - Step 2: Convert to fraction form
225,426,121.49/338,254,879.31 = 107,384,562.49/x - Step 3: Cross multiply
225,426,121.49x = 338,254,879.31 × 107,384,562.49 - Step 4: Simplify right side
225,426,121.49x = 36,323,352,225,067,200 - Step 5: Solve for x
x = 36,323,352,225,067,200/225,426,121.49 - Step 6: Final answer
x = 161,131,957.49
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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.