Finding the Fourth Proportional to 53,415,697.70, 80,207,527.35 and 30,740,881.70
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Solution
The fourth proportional to 53,415,697.70, 80,207,527.35 and 30,740,881.70 is: 46,159,653.73
Step by Step Solution
- Step 1: Write the proportion equation
53,415,697.70 : 80,207,527.35 = 30,740,881.70 : x - Step 2: Convert to fraction form
53,415,697.70/80,207,527.35 = 30,740,881.70/x - Step 3: Cross multiply
53,415,697.70x = 80,207,527.35 × 30,740,881.70 - Step 4: Simplify right side
53,415,697.70x = 2,465,650,109,715,864.50 - Step 5: Solve for x
x = 2,465,650,109,715,864.50/53,415,697.70 - Step 6: Final answer
x = 46,159,653.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.