Finding the Fourth Proportional to 64,728,701.10, 89,346,894.81 and 51,522,103.08
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Solution
The fourth proportional to 64,728,701.10, 89,346,894.81 and 51,522,103.08 is: 71,117,446.30
Step by Step Solution
- Step 1: Write the proportion equation
64,728,701.10 : 89,346,894.81 = 51,522,103.08 : x - Step 2: Convert to fraction form
64,728,701.10/89,346,894.81 = 51,522,103.08/x - Step 3: Cross multiply
64,728,701.10x = 89,346,894.81 × 51,522,103.08 - Step 4: Simplify right side
64,728,701.10x = 4,603,339,924,278,737 - Step 5: Solve for x
x = 4,603,339,924,278,737/64,728,701.10 - Step 6: Final answer
x = 71,117,446.30
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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.