Finding the Fourth Proportional to 66,159,819, 91,287,171 and 38,652,432.84
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Solution
The fourth proportional to 66,159,819, 91,287,171 and 38,652,432.84 is: 53,332,540.80
Step by Step Solution
- Step 1: Write the proportion equation
66,159,819 : 91,287,171 = 38,652,432.84 : x - Step 2: Convert to fraction form
66,159,819/91,287,171 = 38,652,432.84/x - Step 3: Cross multiply
66,159,819x = 91,287,171 × 38,652,432.84 - Step 4: Simplify right side
66,159,819x = 3,528,471,246,231,096 - Step 5: Solve for x
x = 3,528,471,246,231,096/66,159,819 - Step 6: Final answer
x = 53,332,540.80
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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.