Finding the Fourth Proportional to 71,279,961.95, 98,367,108.73 and 43,777,890.20
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Solution
The fourth proportional to 71,279,961.95, 98,367,108.73 and 43,777,890.20 is: 60,413,956.00
Step by Step Solution
- Step 1: Write the proportion equation
71,279,961.95 : 98,367,108.73 = 43,777,890.20 : x - Step 2: Convert to fraction form
71,279,961.95/98,367,108.73 = 43,777,890.20/x - Step 3: Cross multiply
71,279,961.95x = 98,367,108.73 × 43,777,890.20 - Step 4: Simplify right side
71,279,961.95x = 4,306,304,485,409,875 - Step 5: Solve for x
x = 4,306,304,485,409,875/71,279,961.95 - Step 6: Final answer
x = 60,413,956.00
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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.