Finding the Fourth Proportional to 163,215,872.20, 244,823,808.30 and 60,966,623.80
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Solution
The fourth proportional to 163,215,872.20, 244,823,808.30 and 60,966,623.80 is: 91,449,935.70
Step by Step Solution
- Step 1: Write the proportion equation
163,215,872.20 : 244,823,808.30 = 60,966,623.80 : x - Step 2: Convert to fraction form
163,215,872.20/244,823,808.30 = 60,966,623.80/x - Step 3: Cross multiply
163,215,872.20x = 244,823,808.30 × 60,966,623.80 - Step 4: Simplify right side
163,215,872.20x = 14,926,081,017,909,418 - Step 5: Solve for x
x = 14,926,081,017,909,418/163,215,872.20 - Step 6: Final answer
x = 91,449,935.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.