Finding the Fourth Proportional to 81,881,933.36, 122,865,407.88 and 33,395,359.28
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Solution
The fourth proportional to 81,881,933.36, 122,865,407.88 and 33,395,359.28 is: 50,110,375.65
Step by Step Solution
- Step 1: Write the proportion equation
81,881,933.36 : 122,865,407.88 = 33,395,359.28 : x - Step 2: Convert to fraction form
81,881,933.36/122,865,407.88 = 33,395,359.28/x - Step 3: Cross multiply
81,881,933.36x = 122,865,407.88 × 33,395,359.28 - Step 4: Simplify right side
81,881,933.36x = 4,103,134,439,236,343 - Step 5: Solve for x
x = 4,103,134,439,236,343/81,881,933.36 - Step 6: Final answer
x = 50,110,375.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.