Finding the Fourth Proportional to 204,751,420.05, 306,639,613.66 and 130,745,969.45
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Solution
The fourth proportional to 204,751,420.05, 306,639,613.66 and 130,745,969.45 is: 195,807,645.92
Step by Step Solution
- Step 1: Write the proportion equation
204,751,420.05 : 306,639,613.66 = 130,745,969.45 : x - Step 2: Convert to fraction form
204,751,420.05/306,639,613.66 = 130,745,969.45/x - Step 3: Cross multiply
204,751,420.05x = 306,639,613.66 × 130,745,969.45 - Step 4: Simplify right side
204,751,420.05x = 40,091,893,559,750,168 - Step 5: Solve for x
x = 40,091,893,559,750,168/204,751,420.05 - Step 6: Final answer
x = 195,807,645.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.