Finding the Fourth Proportional to 217,241,135.33, 299,790,684.50 and 118,121,917.55
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Solution
The fourth proportional to 217,241,135.33, 299,790,684.50 and 118,121,917.55 is: 163,007,114.02
Step by Step Solution
- Step 1: Write the proportion equation
217,241,135.33 : 299,790,684.50 = 118,121,917.55 : x - Step 2: Convert to fraction form
217,241,135.33/299,790,684.50 = 118,121,917.55/x - Step 3: Cross multiply
217,241,135.33x = 299,790,684.50 × 118,121,917.55 - Step 4: Simplify right side
217,241,135.33x = 35,411,850,514,677,500 - Step 5: Solve for x
x = 35,411,850,514,677,500/217,241,135.33 - Step 6: Final answer
x = 163,007,114.02
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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.