Finding the Fourth Proportional to 90,441,893.27, 135,663,679.46 and 25,745,695.98
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Solution
The fourth proportional to 90,441,893.27, 135,663,679.46 and 25,745,695.98 is: 38,618,782.96
Step by Step Solution
- Step 1: Write the proportion equation
90,441,893.27 : 135,663,679.46 = 25,745,695.98 : x - Step 2: Convert to fraction form
90,441,893.27/135,663,679.46 = 25,745,695.98/x - Step 3: Cross multiply
90,441,893.27x = 135,663,679.46 × 25,745,695.98 - Step 4: Simplify right side
90,441,893.27x = 3,492,755,846,905,331 - Step 5: Solve for x
x = 3,492,755,846,905,331/90,441,893.27 - Step 6: Final answer
x = 38,618,782.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.