Finding the Fourth Proportional to 64,364,806.42, 88,826,624.13 and 39,926,393.62
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Solution
The fourth proportional to 64,364,806.42, 88,826,624.13 and 39,926,393.62 is: 55,100,402.79
Step by Step Solution
- Step 1: Write the proportion equation
64,364,806.42 : 88,826,624.13 = 39,926,393.62 : x - Step 2: Convert to fraction form
64,364,806.42/88,826,624.13 = 39,926,393.62/x - Step 3: Cross multiply
64,364,806.42x = 88,826,624.13 × 39,926,393.62 - Step 4: Simplify right side
64,364,806.42x = 3,546,526,758,950,169.50 - Step 5: Solve for x
x = 3,546,526,758,950,169.50/64,364,806.42 - Step 6: Final answer
x = 55,100,402.79
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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.