Finding the Fourth Proportional to 80,343,051.42, 110,874,625.80 and 45,068,675.84
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Solution
The fourth proportional to 80,343,051.42, 110,874,625.80 and 45,068,675.84 is: 62,195,454.12
Step by Step Solution
- Step 1: Write the proportion equation
80,343,051.42 : 110,874,625.80 = 45,068,675.84 : x - Step 2: Convert to fraction form
80,343,051.42/110,874,625.80 = 45,068,675.84/x - Step 3: Cross multiply
80,343,051.42x = 110,874,625.80 × 45,068,675.84 - Step 4: Simplify right side
80,343,051.42x = 4,996,972,568,753,900 - Step 5: Solve for x
x = 4,996,972,568,753,900/80,343,051.42 - Step 6: Final answer
x = 62,195,454.12
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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.