Finding the Fourth Proportional to 66,560,457.67, 91,856,979.75 and 37,192,503.13
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Solution
The fourth proportional to 66,560,457.67, 91,856,979.75 and 37,192,503.13 is: 51,327,636.96
Step by Step Solution
- Step 1: Write the proportion equation
66,560,457.67 : 91,856,979.75 = 37,192,503.13 : x - Step 2: Convert to fraction form
66,560,457.67/91,856,979.75 = 37,192,503.13/x - Step 3: Cross multiply
66,560,457.67x = 91,856,979.75 × 37,192,503.13 - Step 4: Simplify right side
66,560,457.67x = 3,416,391,006,864,222 - Step 5: Solve for x
x = 3,416,391,006,864,222/66,560,457.67 - Step 6: Final answer
x = 51,327,636.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.