Finding the Fourth Proportional to 81,717,170.80, 112,768,762 and 44,546,630.88
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Solution
The fourth proportional to 81,717,170.80, 112,768,762 and 44,546,630.88 is: 61,473,841.62
Step by Step Solution
- Step 1: Write the proportion equation
81,717,170.80 : 112,768,762 = 44,546,630.88 : x - Step 2: Convert to fraction form
81,717,170.80/112,768,762 = 44,546,630.88/x - Step 3: Cross multiply
81,717,170.80x = 112,768,762 × 44,546,630.88 - Step 4: Simplify right side
81,717,170.80x = 5,023,468,415,608,571 - Step 5: Solve for x
x = 5,023,468,415,608,571/81,717,170.80 - Step 6: Final answer
x = 61,473,841.62
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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.