Finding the Fourth Proportional to 132,246,980.57, 198,394,414.56 and 54,480,668.65
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Solution
The fourth proportional to 132,246,980.57, 198,394,414.56 and 54,480,668.65 is: 81,730,866.86
Step by Step Solution
- Step 1: Write the proportion equation
132,246,980.57 : 198,394,414.56 = 54,480,668.65 : x - Step 2: Convert to fraction form
132,246,980.57/198,394,414.56 = 54,480,668.65/x - Step 3: Cross multiply
132,246,980.57x = 198,394,414.56 × 54,480,668.65 - Step 4: Simplify right side
132,246,980.57x = 10,808,660,361,158,110 - Step 5: Solve for x
x = 10,808,660,361,158,110/132,246,980.57 - Step 6: Final answer
x = 81,730,866.86
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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.