Finding the Fourth Proportional to 306,492,841.62, 422,969,088.45 and 167,272,532.82
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Solution
The fourth proportional to 306,492,841.62, 422,969,088.45 and 167,272,532.82 is: 230,840,989.16
Step by Step Solution
- Step 1: Write the proportion equation
306,492,841.62 : 422,969,088.45 = 167,272,532.82 : x - Step 2: Convert to fraction form
306,492,841.62/422,969,088.45 = 167,272,532.82/x - Step 3: Cross multiply
306,492,841.62x = 422,969,088.45 × 167,272,532.82 - Step 4: Simplify right side
306,492,841.62x = 70,751,110,729,598,104 - Step 5: Solve for x
x = 70,751,110,729,598,104/306,492,841.62 - Step 6: Final answer
x = 230,840,989.16
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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.