Finding the Fourth Proportional to 53,655,200.96, 74,060,234.19 and 31,334,207.98
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Solution
The fourth proportional to 53,655,200.96, 74,060,234.19 and 31,334,207.98 is: 43,250,584.09
Step by Step Solution
- Step 1: Write the proportion equation
53,655,200.96 : 74,060,234.19 = 31,334,207.98 : x - Step 2: Convert to fraction form
53,655,200.96/74,060,234.19 = 31,334,207.98/x - Step 3: Cross multiply
53,655,200.96x = 74,060,234.19 × 31,334,207.98 - Step 4: Simplify right side
53,655,200.96x = 2,320,618,780,774,221 - Step 5: Solve for x
x = 2,320,618,780,774,221/53,655,200.96 - Step 6: Final answer
x = 43,250,584.09
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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.