Finding the Fourth Proportional to 76,982,732.80, 106,236,261.12 and 41,700,609.28
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Solution
The fourth proportional to 76,982,732.80, 106,236,261.12 and 41,700,609.28 is: 57,546,889.48
Step by Step Solution
- Step 1: Write the proportion equation
76,982,732.80 : 106,236,261.12 = 41,700,609.28 : x - Step 2: Convert to fraction form
76,982,732.80/106,236,261.12 = 41,700,609.28/x - Step 3: Cross multiply
76,982,732.80x = 106,236,261.12 × 41,700,609.28 - Step 4: Simplify right side
76,982,732.80x = 4,430,116,816,333,175.50 - Step 5: Solve for x
x = 4,430,116,816,333,175.50/76,982,732.80 - Step 6: Final answer
x = 57,546,889.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.