Finding the Fourth Proportional to 272,316,879.05, 375,745,896.81 and 162,318,827.21
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Solution
The fourth proportional to 272,316,879.05, 375,745,896.81 and 162,318,827.21 is: 223,969,345.97
Step by Step Solution
- Step 1: Write the proportion equation
272,316,879.05 : 375,745,896.81 = 162,318,827.21 : x - Step 2: Convert to fraction form
272,316,879.05/375,745,896.81 = 162,318,827.21/x - Step 3: Cross multiply
272,316,879.05x = 375,745,896.81 × 162,318,827.21 - Step 4: Simplify right side
272,316,879.05x = 60,990,633,297,290,160 - Step 5: Solve for x
x = 60,990,633,297,290,160/272,316,879.05 - Step 6: Final answer
x = 223,969,345.97
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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.