Finding the Fourth Proportional to 186,604,668.97, 257,565,668.43 and 108,313,445.14
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Solution
The fourth proportional to 186,604,668.97, 257,565,668.43 and 108,313,445.14 is: 149,502,287.65
Step by Step Solution
- Step 1: Write the proportion equation
186,604,668.97 : 257,565,668.43 = 108,313,445.14 : x - Step 2: Convert to fraction form
186,604,668.97/257,565,668.43 = 108,313,445.14/x - Step 3: Cross multiply
186,604,668.97x = 257,565,668.43 × 108,313,445.14 - Step 4: Simplify right side
186,604,668.97x = 27,897,824,897,440,236 - Step 5: Solve for x
x = 27,897,824,897,440,236/186,604,668.97 - Step 6: Final answer
x = 149,502,287.65
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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.