Finding the Fourth Proportional to 147,540,512.60, 221,321,397.70 and 56,664,101.60
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Solution
The fourth proportional to 147,540,512.60, 221,321,397.70 and 56,664,101.60 is: 85,000,234.47
Step by Step Solution
- Step 1: Write the proportion equation
147,540,512.60 : 221,321,397.70 = 56,664,101.60 : x - Step 2: Convert to fraction form
147,540,512.60/221,321,397.70 = 56,664,101.60/x - Step 3: Cross multiply
147,540,512.60x = 221,321,397.70 × 56,664,101.60 - Step 4: Simplify right side
147,540,512.60x = 12,540,978,165,526,806 - Step 5: Solve for x
x = 12,540,978,165,526,806/147,540,512.60 - Step 6: Final answer
x = 85,000,234.47
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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.