Finding the Fourth Proportional to 68,283,142.05, 102,424,713.08 and 60,391,243.20
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Solution
The fourth proportional to 68,283,142.05, 102,424,713.08 and 60,391,243.20 is: 90,586,864.80
Step by Step Solution
- Step 1: Write the proportion equation
68,283,142.05 : 102,424,713.08 = 60,391,243.20 : x - Step 2: Convert to fraction form
68,283,142.05/102,424,713.08 = 60,391,243.20/x - Step 3: Cross multiply
68,283,142.05x = 102,424,713.08 × 60,391,243.20 - Step 4: Simplify right side
68,283,142.05x = 6,185,555,757,002,545 - Step 5: Solve for x
x = 6,185,555,757,002,545/68,283,142.05 - Step 6: Final answer
x = 90,586,864.80
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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.