Finding the Fourth Proportional to 85,582,247.50, 128,368,646.04 and 62,576,757.10
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Solution
The fourth proportional to 85,582,247.50, 128,368,646.04 and 62,576,757.10 is: 93,861,680.63
Step by Step Solution
- Step 1: Write the proportion equation
85,582,247.50 : 128,368,646.04 = 62,576,757.10 : x - Step 2: Convert to fraction form
85,582,247.50/128,368,646.04 = 62,576,757.10/x - Step 3: Cross multiply
85,582,247.50x = 128,368,646.04 × 62,576,757.10 - Step 4: Simplify right side
85,582,247.50x = 8,032,893,582,500,957 - Step 5: Solve for x
x = 8,032,893,582,500,957/85,582,247.50 - Step 6: Final answer
x = 93,861,680.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.