Finding the Fourth Proportional to 68,121,489.82, 102,227,364.85 and 37,437,497.09
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Solution
The fourth proportional to 68,121,489.82, 102,227,364.85 and 37,437,497.09 is: 56,181,047.78
Step by Step Solution
- Step 1: Write the proportion equation
68,121,489.82 : 102,227,364.85 = 37,437,497.09 : x - Step 2: Convert to fraction form
68,121,489.82/102,227,364.85 = 37,437,497.09/x - Step 3: Cross multiply
68,121,489.82x = 102,227,364.85 × 37,437,497.09 - Step 4: Simplify right side
68,121,489.82x = 3,827,136,674,090,243.50 - Step 5: Solve for x
x = 3,827,136,674,090,243.50/68,121,489.82 - Step 6: Final answer
x = 56,181,047.78
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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.