Finding the Fourth Proportional to 163,413,675.99, 225,504,087.21 and 89,072,600.54
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Solution
The fourth proportional to 163,413,675.99, 225,504,087.21 and 89,072,600.54 is: 122,916,490.05
Step by Step Solution
- Step 1: Write the proportion equation
163,413,675.99 : 225,504,087.21 = 89,072,600.54 : x - Step 2: Convert to fraction form
163,413,675.99/225,504,087.21 = 89,072,600.54/x - Step 3: Cross multiply
163,413,675.99x = 225,504,087.21 × 89,072,600.54 - Step 4: Simplify right side
163,413,675.99x = 20,086,235,479,066,132 - Step 5: Solve for x
x = 20,086,235,479,066,132/163,413,675.99 - Step 6: Final answer
x = 122,916,490.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.