Finding the Fourth Proportional to 117,452,129.20, 176,178,193.80 and 108,382,202.80
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Solution
The fourth proportional to 117,452,129.20, 176,178,193.80 and 108,382,202.80 is: 162,573,304.20
Step by Step Solution
- Step 1: Write the proportion equation
117,452,129.20 : 176,178,193.80 = 108,382,202.80 : x - Step 2: Convert to fraction form
117,452,129.20/176,178,193.80 = 108,382,202.80/x - Step 3: Cross multiply
117,452,129.20x = 176,178,193.80 × 108,382,202.80 - Step 4: Simplify right side
117,452,129.20x = 19,094,580,729,369,304 - Step 5: Solve for x
x = 19,094,580,729,369,304/117,452,129.20 - Step 6: Final answer
x = 162,573,304.20
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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.