Finding the Fourth Proportional to 141,613,240.80, 212,419,861.20 and 97,775,263.20
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Solution
The fourth proportional to 141,613,240.80, 212,419,861.20 and 97,775,263.20 is: 146,662,894.80
Step by Step Solution
- Step 1: Write the proportion equation
141,613,240.80 : 212,419,861.20 = 97,775,263.20 : x - Step 2: Convert to fraction form
141,613,240.80/212,419,861.20 = 97,775,263.20/x - Step 3: Cross multiply
141,613,240.80x = 212,419,861.20 × 97,775,263.20 - Step 4: Simplify right side
141,613,240.80x = 20,769,407,837,737,468 - Step 5: Solve for x
x = 20,769,407,837,737,468/141,613,240.80 - Step 6: Final answer
x = 146,662,894.80
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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.