Finding the Fourth Proportional to 206,505,457.74, 284,994,188.91 and 118,407,651.84
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Solution
The fourth proportional to 206,505,457.74, 284,994,188.91 and 118,407,651.84 is: 163,412,110.59
Step by Step Solution
- Step 1: Write the proportion equation
206,505,457.74 : 284,994,188.91 = 118,407,651.84 : x - Step 2: Convert to fraction form
206,505,457.74/284,994,188.91 = 118,407,651.84/x - Step 3: Cross multiply
206,505,457.74x = 284,994,188.91 × 118,407,651.84 - Step 4: Simplify right side
206,505,457.74x = 33,745,492,696,878,472 - Step 5: Solve for x
x = 33,745,492,696,878,472/206,505,457.74 - Step 6: Final answer
x = 163,412,110.59
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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.