Finding the Fourth Proportional to 115,897,010.40, 173,845,515.60 and 29,642,167.80
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Solution
The fourth proportional to 115,897,010.40, 173,845,515.60 and 29,642,167.80 is: 44,463,251.70
Step by Step Solution
- Step 1: Write the proportion equation
115,897,010.40 : 173,845,515.60 = 29,642,167.80 : x - Step 2: Convert to fraction form
115,897,010.40/173,845,515.60 = 29,642,167.80/x - Step 3: Cross multiply
115,897,010.40x = 173,845,515.60 × 29,642,167.80 - Step 4: Simplify right side
115,897,010.40x = 5,153,157,944,692,718 - Step 5: Solve for x
x = 5,153,157,944,692,718/115,897,010.40 - Step 6: Final answer
x = 44,463,251.70
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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.