Finding the Fourth Proportional to 245,704,170.69, 368,608,084.43 and 79,694,784.09
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Solution
The fourth proportional to 245,704,170.69, 368,608,084.43 and 79,694,784.09 is: 119,558,986.81
Step by Step Solution
- Step 1: Write the proportion equation
245,704,170.69 : 368,608,084.43 = 79,694,784.09 : x - Step 2: Convert to fraction form
245,704,170.69/368,608,084.43 = 79,694,784.09/x - Step 3: Cross multiply
245,704,170.69x = 368,608,084.43 × 79,694,784.09 - Step 4: Simplify right side
245,704,170.69x = 29,376,141,702,078,868 - Step 5: Solve for x
x = 29,376,141,702,078,868/245,704,170.69 - Step 6: Final answer
x = 119,558,986.81
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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.