Finding the Fourth Proportional to 85,623,553.26, 118,160,580.78 and 46,465,330.41
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Solution
The fourth proportional to 85,623,553.26, 118,160,580.78 and 46,465,330.41 is: 64,122,197.90
Step by Step Solution
- Step 1: Write the proportion equation
85,623,553.26 : 118,160,580.78 = 46,465,330.41 : x - Step 2: Convert to fraction form
85,623,553.26/118,160,580.78 = 46,465,330.41/x - Step 3: Cross multiply
85,623,553.26x = 118,160,580.78 × 46,465,330.41 - Step 4: Simplify right side
85,623,553.26x = 5,490,370,427,380,195 - Step 5: Solve for x
x = 5,490,370,427,380,195/85,623,553.26 - Step 6: Final answer
x = 64,122,197.90
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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.