Finding the Fourth Proportional to 186,302,719.16, 257,099,507.97 and 102,673,860.94
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Solution
The fourth proportional to 186,302,719.16, 257,099,507.97 and 102,673,860.94 is: 141,690,895.60
Step by Step Solution
- Step 1: Write the proportion equation
186,302,719.16 : 257,099,507.97 = 102,673,860.94 : x - Step 2: Convert to fraction form
186,302,719.16/257,099,507.97 = 102,673,860.94/x - Step 3: Cross multiply
186,302,719.16x = 257,099,507.97 × 102,673,860.94 - Step 4: Simplify right side
186,302,719.16x = 26,397,399,130,218,084 - Step 5: Solve for x
x = 26,397,399,130,218,084/186,302,719.16 - Step 6: Final answer
x = 141,690,895.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.