Finding the Fourth Proportional to 68,285,859.77, 94,228,789.84 and 38,514,867.26
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Solution
The fourth proportional to 68,285,859.77, 94,228,789.84 and 38,514,867.26 is: 53,147,303.77
Step by Step Solution
- Step 1: Write the proportion equation
68,285,859.77 : 94,228,789.84 = 38,514,867.26 : x - Step 2: Convert to fraction form
68,285,859.77/94,228,789.84 = 38,514,867.26/x - Step 3: Cross multiply
68,285,859.77x = 94,228,789.84 × 38,514,867.26 - Step 4: Simplify right side
68,285,859.77x = 3,629,209,332,407,252 - Step 5: Solve for x
x = 3,629,209,332,407,252/68,285,859.77 - Step 6: Final answer
x = 53,147,303.77
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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.