Finding the Fourth Proportional to 207,615,451.36, 286,497,761.52 and 114,790,384.48
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Solution
The fourth proportional to 207,615,451.36, 286,497,761.52 and 114,790,384.48 is: 158,404,338.32
Step by Step Solution
- Step 1: Write the proportion equation
207,615,451.36 : 286,497,761.52 = 114,790,384.48 : x - Step 2: Convert to fraction form
207,615,451.36/286,497,761.52 = 114,790,384.48/x - Step 3: Cross multiply
207,615,451.36x = 286,497,761.52 × 114,790,384.48 - Step 4: Simplify right side
207,615,451.36x = 32,887,188,197,540,148 - Step 5: Solve for x
x = 32,887,188,197,540,148/207,615,451.36 - Step 6: Final answer
x = 158,404,338.32
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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.