Finding the Fourth Proportional to 89,173,837.80, 133,760,756.70 and 53,342,029.80
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Solution
The fourth proportional to 89,173,837.80, 133,760,756.70 and 53,342,029.80 is: 80,013,044.70
Step by Step Solution
- Step 1: Write the proportion equation
89,173,837.80 : 133,760,756.70 = 53,342,029.80 : x - Step 2: Convert to fraction form
89,173,837.80/133,760,756.70 = 53,342,029.80/x - Step 3: Cross multiply
89,173,837.80x = 133,760,756.70 × 53,342,029.80 - Step 4: Simplify right side
89,173,837.80x = 7,135,070,269,961,949 - Step 5: Solve for x
x = 7,135,070,269,961,949/89,173,837.80 - Step 6: Final answer
x = 80,013,044.70
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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.