Finding the Fourth Proportional to 197,641,444.58, 272,745,188.11 and 109,548,677.26
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Solution
The fourth proportional to 197,641,444.58, 272,745,188.11 and 109,548,677.26 is: 151,177,171.62
Step by Step Solution
- Step 1: Write the proportion equation
197,641,444.58 : 272,745,188.11 = 109,548,677.26 : x - Step 2: Convert to fraction form
197,641,444.58/272,745,188.11 = 109,548,677.26/x - Step 3: Cross multiply
197,641,444.58x = 272,745,188.11 × 109,548,677.26 - Step 4: Simplify right side
197,641,444.58x = 29,878,874,586,480,384 - Step 5: Solve for x
x = 29,878,874,586,480,384/197,641,444.58 - Step 6: Final answer
x = 151,177,171.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.