Finding the Fourth Proportional to 196,713,717.95, 271,366,929.82 and 117,272,802.75
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Solution
The fourth proportional to 196,713,717.95, 271,366,929.82 and 117,272,802.75 is: 161,778,043.58
Step by Step Solution
- Step 1: Write the proportion equation
196,713,717.95 : 271,366,929.82 = 117,272,802.75 : x - Step 2: Convert to fraction form
196,713,717.95/271,366,929.82 = 117,272,802.75/x - Step 3: Cross multiply
196,713,717.95x = 271,366,929.82 × 117,272,802.75 - Step 4: Simplify right side
196,713,717.95x = 31,823,960,433,800,548 - Step 5: Solve for x
x = 31,823,960,433,800,548/196,713,717.95 - Step 6: Final answer
x = 161,778,043.58
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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.