Finding the Fourth Proportional to 272,512,717.30, 408,281,921.70 and 165,840,698.80
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Solution
The fourth proportional to 272,512,717.30, 408,281,921.70 and 165,840,698.80 is: 248,464,584.97
Step by Step Solution
- Step 1: Write the proportion equation
272,512,717.30 : 408,281,921.70 = 165,840,698.80 : x - Step 2: Convert to fraction form
272,512,717.30/408,281,921.70 = 165,840,698.80/x - Step 3: Cross multiply
272,512,717.30x = 408,281,921.70 × 165,840,698.80 - Step 4: Simplify right side
272,512,717.30x = 67,709,759,202,134,888 - Step 5: Solve for x
x = 67,709,759,202,134,888/272,512,717.30 - Step 6: Final answer
x = 248,464,584.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.