Finding the Fourth Proportional to 125,534,610.16, 173,239,833.96 and 69,021,743.92
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Solution
The fourth proportional to 125,534,610.16, 173,239,833.96 and 69,021,743.92 is: 95,251,145.81
Step by Step Solution
- Step 1: Write the proportion equation
125,534,610.16 : 173,239,833.96 = 69,021,743.92 : x - Step 2: Convert to fraction form
125,534,610.16/173,239,833.96 = 69,021,743.92/x - Step 3: Cross multiply
125,534,610.16x = 173,239,833.96 × 69,021,743.92 - Step 4: Simplify right side
125,534,610.16x = 11,957,315,456,330,440 - Step 5: Solve for x
x = 11,957,315,456,330,440/125,534,610.16 - Step 6: Final answer
x = 95,251,145.81
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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.