Finding the Fourth Proportional to 88,303,881.44, 121,858,141.80 and 49,145,651.92
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Solution
The fourth proportional to 88,303,881.44, 121,858,141.80 and 49,145,651.92 is: 67,820,323.67
Step by Step Solution
- Step 1: Write the proportion equation
88,303,881.44 : 121,858,141.80 = 49,145,651.92 : x - Step 2: Convert to fraction form
88,303,881.44/121,858,141.80 = 49,145,651.92/x - Step 3: Cross multiply
88,303,881.44x = 121,858,141.80 × 49,145,651.92 - Step 4: Simplify right side
88,303,881.44x = 5,988,797,820,520,802 - Step 5: Solve for x
x = 5,988,797,820,520,802/88,303,881.44 - Step 6: Final answer
x = 67,820,323.67
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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.