Finding the Fourth Proportional to 90,797,409.74, 125,303,449.56 and 49,546,565.66
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Solution
The fourth proportional to 90,797,409.74, 125,303,449.56 and 49,546,565.66 is: 68,375,910.82
Step by Step Solution
- Step 1: Write the proportion equation
90,797,409.74 : 125,303,449.56 = 49,546,565.66 : x - Step 2: Convert to fraction form
90,797,409.74/125,303,449.56 = 49,546,565.66/x - Step 3: Cross multiply
90,797,409.74x = 125,303,449.56 × 49,546,565.66 - Step 4: Simplify right side
90,797,409.74x = 6,208,355,591,049,038 - Step 5: Solve for x
x = 6,208,355,591,049,038/90,797,409.74 - Step 6: Final answer
x = 68,375,910.82
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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.