Finding the Fourth Proportional to 308,731,621.80, 463,097,432.70 and 155,676,613.80
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Solution
The fourth proportional to 308,731,621.80, 463,097,432.70 and 155,676,613.80 is: 233,514,920.70
Step by Step Solution
- Step 1: Write the proportion equation
308,731,621.80 : 463,097,432.70 = 155,676,613.80 : x - Step 2: Convert to fraction form
308,731,621.80/463,097,432.70 = 155,676,613.80/x - Step 3: Cross multiply
308,731,621.80x = 463,097,432.70 × 155,676,613.80 - Step 4: Simplify right side
308,731,621.80x = 72,093,440,182,209,392 - Step 5: Solve for x
x = 72,093,440,182,209,392/308,731,621.80 - Step 6: Final answer
x = 233,514,920.70
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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.