Finding the Fourth Proportional to 245,704,172.70, 368,608,087.42 and 79,694,786.10
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Solution
The fourth proportional to 245,704,172.70, 368,608,087.42 and 79,694,786.10 is: 119,558,989.82
Step by Step Solution
- Step 1: Write the proportion equation
245,704,172.70 : 368,608,087.42 = 79,694,786.10 : x - Step 2: Convert to fraction form
245,704,172.70/368,608,087.42 = 79,694,786.10/x - Step 3: Cross multiply
245,704,172.70x = 368,608,087.42 × 79,694,786.10 - Step 4: Simplify right side
245,704,172.70x = 29,376,142,681,667,000 - Step 5: Solve for x
x = 29,376,142,681,667,000/245,704,172.70 - Step 6: Final answer
x = 119,558,989.82
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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.