Finding the Fourth Proportional to 75,789,020.90, 113,683,531.35 and 41,351,644.10
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Solution
The fourth proportional to 75,789,020.90, 113,683,531.35 and 41,351,644.10 is: 62,027,466.15
Step by Step Solution
- Step 1: Write the proportion equation
75,789,020.90 : 113,683,531.35 = 41,351,644.10 : x - Step 2: Convert to fraction form
75,789,020.90/113,683,531.35 = 41,351,644.10/x - Step 3: Cross multiply
75,789,020.90x = 113,683,531.35 × 41,351,644.10 - Step 4: Simplify right side
75,789,020.90x = 4,701,000,928,416,392 - Step 5: Solve for x
x = 4,701,000,928,416,392/75,789,020.90 - Step 6: Final answer
x = 62,027,466.15
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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.