Finding the Fourth Proportional to 162,634,674.94, 224,219,083.32 and 129,255,613.07
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Solution
The fourth proportional to 162,634,674.94, 224,219,083.32 and 129,255,613.07 is: 178,200,467.32
Step by Step Solution
- Step 1: Write the proportion equation
162,634,674.94 : 224,219,083.32 = 129,255,613.07 : x - Step 2: Convert to fraction form
162,634,674.94/224,219,083.32 = 129,255,613.07/x - Step 3: Cross multiply
162,634,674.94x = 224,219,083.32 × 129,255,613.07 - Step 4: Simplify right side
162,634,674.94x = 28,981,575,076,520,008 - Step 5: Solve for x
x = 28,981,575,076,520,008/162,634,674.94 - Step 6: Final answer
x = 178,200,467.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.