Finding the Fourth Proportional to 87,425,877.83, 120,645,310.07 and 48,266,942.99
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Solution
The fourth proportional to 87,425,877.83, 120,645,310.07 and 48,266,942.99 is: 66,607,055.57
Step by Step Solution
- Step 1: Write the proportion equation
87,425,877.83 : 120,645,310.07 = 48,266,942.99 : x - Step 2: Convert to fraction form
87,425,877.83/120,645,310.07 = 48,266,942.99/x - Step 3: Cross multiply
87,425,877.83x = 120,645,310.07 × 48,266,942.99 - Step 4: Simplify right side
87,425,877.83x = 5,823,180,302,677,004 - Step 5: Solve for x
x = 5,823,180,302,677,004/87,425,877.83 - Step 6: Final answer
x = 66,607,055.57
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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.