Finding the Fourth Proportional to 307,202,837.64, 423,981,391.10 and 173,268,246.36
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Solution
The fourth proportional to 307,202,837.64, 423,981,391.10 and 173,268,246.36 is: 239,133,572.75
Step by Step Solution
- Step 1: Write the proportion equation
307,202,837.64 : 423,981,391.10 = 173,268,246.36 : x - Step 2: Convert to fraction form
307,202,837.64/423,981,391.10 = 173,268,246.36/x - Step 3: Cross multiply
307,202,837.64x = 423,981,391.10 × 173,268,246.36 - Step 4: Simplify right side
307,202,837.64x = 73,462,512,125,170,320 - Step 5: Solve for x
x = 73,462,512,125,170,320/307,202,837.64 - Step 6: Final answer
x = 239,133,572.75
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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.