Finding the Fourth Proportional to 57,990,516.70, 86,911,125.45 and 44,460,276.70
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Solution
The fourth proportional to 57,990,516.70, 86,911,125.45 and 44,460,276.70 is: 66,633,182.56
Step by Step Solution
- Step 1: Write the proportion equation
57,990,516.70 : 86,911,125.45 = 44,460,276.70 : x - Step 2: Convert to fraction form
57,990,516.70/86,911,125.45 = 44,460,276.70/x - Step 3: Cross multiply
57,990,516.70x = 86,911,125.45 × 44,460,276.70 - Step 4: Simplify right side
57,990,516.70x = 3,864,092,685,815,412.50 - Step 5: Solve for x
x = 3,864,092,685,815,412.50/57,990,516.70 - Step 6: Final answer
x = 66,633,182.56
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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.