Finding the Fourth Proportional to 85,536,531.70, 128,493,754.35 and 82,324,266.10
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Solution
The fourth proportional to 85,536,531.70, 128,493,754.35 and 82,324,266.10 is: 123,668,259.81
Step by Step Solution
- Step 1: Write the proportion equation
85,536,531.70 : 128,493,754.35 = 82,324,266.10 : x - Step 2: Convert to fraction form
85,536,531.70/128,493,754.35 = 82,324,266.10/x - Step 3: Cross multiply
85,536,531.70x = 128,493,754.35 × 82,324,266.10 - Step 4: Simplify right side
85,536,531.70x = 10,578,154,025,297,432 - Step 5: Solve for x
x = 10,578,154,025,297,432/85,536,531.70 - Step 6: Final answer
x = 123,668,259.81
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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.