Finding the Fourth Proportional to 186,302,719.91, 257,099,509.01 and 102,673,861.70
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Solution
The fourth proportional to 186,302,719.91, 257,099,509.01 and 102,673,861.70 is: 141,690,896.64
Step by Step Solution
- Step 1: Write the proportion equation
186,302,719.91 : 257,099,509.01 = 102,673,861.70 : x - Step 2: Convert to fraction form
186,302,719.91/257,099,509.01 = 102,673,861.70/x - Step 3: Cross multiply
186,302,719.91x = 257,099,509.01 × 102,673,861.70 - Step 4: Simplify right side
186,302,719.91x = 26,397,399,430,201,828 - Step 5: Solve for x
x = 26,397,399,430,201,828/186,302,719.91 - Step 6: Final answer
x = 141,690,896.64
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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.