Finding the Fourth Proportional to 175,877,423.70, 263,816,135.55 and 129,960,921.30
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Solution
The fourth proportional to 175,877,423.70, 263,816,135.55 and 129,960,921.30 is: 194,941,381.95
Step by Step Solution
- Step 1: Write the proportion equation
175,877,423.70 : 263,816,135.55 = 129,960,921.30 : x - Step 2: Convert to fraction form
175,877,423.70/263,816,135.55 = 129,960,921.30/x - Step 3: Cross multiply
175,877,423.70x = 263,816,135.55 × 129,960,921.30 - Step 4: Simplify right side
175,877,423.70x = 34,285,788,029,883,684 - Step 5: Solve for x
x = 34,285,788,029,883,684/175,877,423.70 - Step 6: Final answer
x = 194,941,381.95
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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.