Finding the Fourth Proportional to 186,719,383.38, 257,695,344.06 and 106,270,934.99
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Solution
The fourth proportional to 186,719,383.38, 257,695,344.06 and 106,270,934.99 is: 146,666,750.17
Step by Step Solution
- Step 1: Write the proportion equation
186,719,383.38 : 257,695,344.06 = 106,270,934.99 : x - Step 2: Convert to fraction form
186,719,383.38/257,695,344.06 = 106,270,934.99/x - Step 3: Cross multiply
186,719,383.38x = 257,695,344.06 × 106,270,934.99 - Step 4: Simplify right side
186,719,383.38x = 27,385,525,154,537,468 - Step 5: Solve for x
x = 27,385,525,154,537,468/186,719,383.38 - Step 6: Final answer
x = 146,666,750.17
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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.