Finding the Fourth Proportional to 83,162,971.66, 124,135,339.12 and 73,345,616.14
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Solution
The fourth proportional to 83,162,971.66, 124,135,339.12 and 73,345,616.14 is: 109,481,212.02
Step by Step Solution
- Step 1: Write the proportion equation
83,162,971.66 : 124,135,339.12 = 73,345,616.14 : x - Step 2: Convert to fraction form
83,162,971.66/124,135,339.12 = 73,345,616.14/x - Step 3: Cross multiply
83,162,971.66x = 124,135,339.12 × 73,345,616.14 - Step 4: Simplify right side
83,162,971.66x = 9,104,782,932,504,246 - Step 5: Solve for x
x = 9,104,782,932,504,246/83,162,971.66 - Step 6: Final answer
x = 109,481,212.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.