Finding the Fourth Proportional to 163,322,558.40, 225,385,027.92 and 89,983,699.68
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Solution
The fourth proportional to 163,322,558.40, 225,385,027.92 and 89,983,699.68 is: 124,177,448.99
Step by Step Solution
- Step 1: Write the proportion equation
163,322,558.40 : 225,385,027.92 = 89,983,699.68 : x - Step 2: Convert to fraction form
163,322,558.40/225,385,027.92 = 89,983,699.68/x - Step 3: Cross multiply
163,322,558.40x = 225,385,027.92 × 89,983,699.68 - Step 4: Simplify right side
163,322,558.40x = 20,280,978,664,721,696 - Step 5: Solve for x
x = 20,280,978,664,721,696/163,322,558.40 - Step 6: Final answer
x = 124,177,448.99
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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.