Finding the Fourth Proportional to 197,641,445.21, 272,745,188.97 and 109,548,677.88
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Solution
The fourth proportional to 197,641,445.21, 272,745,188.97 and 109,548,677.88 is: 151,177,172.47
Step by Step Solution
- Step 1: Write the proportion equation
197,641,445.21 : 272,745,188.97 = 109,548,677.88 : x - Step 2: Convert to fraction form
197,641,445.21/272,745,188.97 = 109,548,677.88/x - Step 3: Cross multiply
197,641,445.21x = 272,745,188.97 × 109,548,677.88 - Step 4: Simplify right side
197,641,445.21x = 29,878,874,849,794,260 - Step 5: Solve for x
x = 29,878,874,849,794,260/197,641,445.21 - Step 6: Final answer
x = 151,177,172.47
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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.