Finding the Fourth Proportional to 85,545,949.20, 128,326,467.33 and 24,135,645.30
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Solution
The fourth proportional to 85,545,949.20, 128,326,467.33 and 24,135,645.30 is: 36,205,596.26
Step by Step Solution
- Step 1: Write the proportion equation
85,545,949.20 : 128,326,467.33 = 24,135,645.30 : x - Step 2: Convert to fraction form
85,545,949.20/128,326,467.33 = 24,135,645.30/x - Step 3: Cross multiply
85,545,949.20x = 128,326,467.33 × 24,135,645.30 - Step 4: Simplify right side
85,545,949.20x = 3,097,242,098,078,918 - Step 5: Solve for x
x = 3,097,242,098,078,918/85,545,949.20 - Step 6: Final answer
x = 36,205,596.26
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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.