Finding the Fourth Proportional to 51,911,704.67, 71,638,026.12 and 29,877,160.25
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Solution
The fourth proportional to 51,911,704.67, 71,638,026.12 and 29,877,160.25 is: 41,230,408.44
Step by Step Solution
- Step 1: Write the proportion equation
51,911,704.67 : 71,638,026.12 = 29,877,160.25 : x - Step 2: Convert to fraction form
51,911,704.67/71,638,026.12 = 29,877,160.25/x - Step 3: Cross multiply
51,911,704.67x = 71,638,026.12 × 29,877,160.25 - Step 4: Simplify right side
51,911,704.67x = 2,140,340,786,380,925.75 - Step 5: Solve for x
x = 2,140,340,786,380,925.75/51,911,704.67 - Step 6: Final answer
x = 41,230,408.44
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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.