Finding the Fourth Proportional to 128,571,444.84, 192,861,166.84 and 61,176,188.56
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Solution
The fourth proportional to 128,571,444.84, 192,861,166.84 and 61,176,188.56 is: 91,766,185.90
Step by Step Solution
- Step 1: Write the proportion equation
128,571,444.84 : 192,861,166.84 = 61,176,188.56 : x - Step 2: Convert to fraction form
128,571,444.84/192,861,166.84 = 61,176,188.56/x - Step 3: Cross multiply
128,571,444.84x = 192,861,166.84 × 61,176,188.56 - Step 4: Simplify right side
128,571,444.84x = 11,798,511,108,505,460 - Step 5: Solve for x
x = 11,798,511,108,505,460/128,571,444.84 - Step 6: Final answer
x = 91,766,185.90
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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.