Finding the Fourth Proportional to 80,292,989.99, 110,804,326.02 and 45,485,680.38
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Solution
The fourth proportional to 80,292,989.99, 110,804,326.02 and 45,485,680.38 is: 62,770,238.83
Step by Step Solution
- Step 1: Write the proportion equation
80,292,989.99 : 110,804,326.02 = 45,485,680.38 : x - Step 2: Convert to fraction form
80,292,989.99/110,804,326.02 = 45,485,680.38/x - Step 3: Cross multiply
80,292,989.99x = 110,804,326.02 × 45,485,680.38 - Step 4: Simplify right side
80,292,989.99x = 5,040,010,158,067,038 - Step 5: Solve for x
x = 5,040,010,158,067,038/80,292,989.99 - Step 6: Final answer
x = 62,770,238.83
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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.