Finding the Fourth Proportional to 120,610,504.44, 180,935,935.79 and 94,701,760.74
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Solution
The fourth proportional to 120,610,504.44, 180,935,935.79 and 94,701,760.74 is: 142,068,485.49
Step by Step Solution
- Step 1: Write the proportion equation
120,610,504.44 : 180,935,935.79 = 94,701,760.74 : x - Step 2: Convert to fraction form
120,610,504.44/180,935,935.79 = 94,701,760.74/x - Step 3: Cross multiply
120,610,504.44x = 180,935,935.79 × 94,701,760.74 - Step 4: Simplify right side
120,610,504.44x = 17,134,951,699,979,072 - Step 5: Solve for x
x = 17,134,951,699,979,072/120,610,504.44 - Step 6: Final answer
x = 142,068,485.49
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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.