Finding the Fourth Proportional to 239,354,634.55, 330,295,160.49 and 138,875,287.84
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Solution
The fourth proportional to 239,354,634.55, 330,295,160.49 and 138,875,287.84 is: 191,639,637.86
Step by Step Solution
- Step 1: Write the proportion equation
239,354,634.55 : 330,295,160.49 = 138,875,287.84 : x - Step 2: Convert to fraction form
239,354,634.55/330,295,160.49 = 138,875,287.84/x - Step 3: Cross multiply
239,354,634.55x = 330,295,160.49 × 138,875,287.84 - Step 4: Simplify right side
239,354,634.55x = 45,869,835,485,207,744 - Step 5: Solve for x
x = 45,869,835,485,207,744/239,354,634.55 - Step 6: Final answer
x = 191,639,637.86
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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.