Finding the Fourth Proportional to 81,766,782.84, 122,635,611.52 and 32,578,513.74
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Solution
The fourth proportional to 81,766,782.84, 122,635,611.52 and 32,578,513.74 is: 48,861,968.35
Step by Step Solution
- Step 1: Write the proportion equation
81,766,782.84 : 122,635,611.52 = 32,578,513.74 : x - Step 2: Convert to fraction form
81,766,782.84/122,635,611.52 = 32,578,513.74/x - Step 3: Cross multiply
81,766,782.84x = 122,635,611.52 × 32,578,513.74 - Step 4: Simplify right side
81,766,782.84x = 3,995,285,954,917,622 - Step 5: Solve for x
x = 3,995,285,954,917,622/81,766,782.84 - Step 6: Final answer
x = 48,861,968.35
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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.