Finding the Fourth Proportional to 175,877,707.20, 263,816,560.80 and 129,961,204.80
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Solution
The fourth proportional to 175,877,707.20, 263,816,560.80 and 129,961,204.80 is: 194,941,807.20
Step by Step Solution
- Step 1: Write the proportion equation
175,877,707.20 : 263,816,560.80 = 129,961,204.80 : x - Step 2: Convert to fraction form
175,877,707.20/263,816,560.80 = 129,961,204.80/x - Step 3: Cross multiply
175,877,707.20x = 263,816,560.80 × 129,961,204.80 - Step 4: Simplify right side
175,877,707.20x = 34,285,918,087,760,452 - Step 5: Solve for x
x = 34,285,918,087,760,452/175,877,707.20 - Step 6: Final answer
x = 194,941,807.20
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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.