Finding the Fourth Proportional to 129,324,424.88, 193,818,674.28 and 52,558,119.92
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Solution
The fourth proportional to 129,324,424.88, 193,818,674.28 and 52,558,119.92 is: 78,768,918.83
Step by Step Solution
- Step 1: Write the proportion equation
129,324,424.88 : 193,818,674.28 = 52,558,119.92 : x - Step 2: Convert to fraction form
129,324,424.88/193,818,674.28 = 52,558,119.92/x - Step 3: Cross multiply
129,324,424.88x = 193,818,674.28 × 52,558,119.92 - Step 4: Simplify right side
129,324,424.88x = 10,186,745,125,543,660 - Step 5: Solve for x
x = 10,186,745,125,543,660/129,324,424.88 - Step 6: Final answer
x = 78,768,918.83
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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.