Finding the Fourth Proportional to 121,394,764.58, 182,151,935.36 and 56,689,165.62
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Solution
The fourth proportional to 121,394,764.58, 182,151,935.36 and 56,689,165.62 is: 85,061,668.58
Step by Step Solution
- Step 1: Write the proportion equation
121,394,764.58 : 182,151,935.36 = 56,689,165.62 : x - Step 2: Convert to fraction form
121,394,764.58/182,151,935.36 = 56,689,165.62/x - Step 3: Cross multiply
121,394,764.58x = 182,151,935.36 × 56,689,165.62 - Step 4: Simplify right side
121,394,764.58x = 10,326,041,231,343,128 - Step 5: Solve for x
x = 10,326,041,231,343,128/121,394,764.58 - Step 6: Final answer
x = 85,061,668.58
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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.