Finding the Fourth Proportional to 257,046,833.86, 385,582,651.14 and 84,519,827.62
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Solution
The fourth proportional to 257,046,833.86, 385,582,651.14 and 84,519,827.62 is: 126,783,818.80
Step by Step Solution
- Step 1: Write the proportion equation
257,046,833.86 : 385,582,651.14 = 84,519,827.62 : x - Step 2: Convert to fraction form
257,046,833.86/385,582,651.14 = 84,519,827.62/x - Step 3: Cross multiply
257,046,833.86x = 385,582,651.14 × 84,519,827.62 - Step 4: Simplify right side
257,046,833.86x = 32,589,379,207,615,396 - Step 5: Solve for x
x = 32,589,379,207,615,396/257,046,833.86 - Step 6: Final answer
x = 126,783,818.80
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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.