Finding the Fourth Proportional to 273,992,409.21, 411,049,065.21 and 79,919,013.36
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Solution
The fourth proportional to 273,992,409.21, 411,049,065.21 and 79,919,013.36 is: 119,896,152.70
Step by Step Solution
- Step 1: Write the proportion equation
273,992,409.21 : 411,049,065.21 = 79,919,013.36 : x - Step 2: Convert to fraction form
273,992,409.21/411,049,065.21 = 79,919,013.36/x - Step 3: Cross multiply
273,992,409.21x = 411,049,065.21 × 79,919,013.36 - Step 4: Simplify right side
273,992,409.21x = 32,850,635,734,133,500 - Step 5: Solve for x
x = 32,850,635,734,133,500/273,992,409.21 - Step 6: Final answer
x = 119,896,152.70
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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.