Finding the Fourth Proportional to 71,496,327.21, 98,662,026.29 and 40,555,832.19
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Solution
The fourth proportional to 71,496,327.21, 98,662,026.29 and 40,555,832.19 is: 55,965,400.43
Step by Step Solution
- Step 1: Write the proportion equation
71,496,327.21 : 98,662,026.29 = 40,555,832.19 : x - Step 2: Convert to fraction form
71,496,327.21/98,662,026.29 = 40,555,832.19/x - Step 3: Cross multiply
71,496,327.21x = 98,662,026.29 × 40,555,832.19 - Step 4: Simplify right side
71,496,327.21x = 4,001,320,581,539,828.50 - Step 5: Solve for x
x = 4,001,320,581,539,828.50/71,496,327.21 - Step 6: Final answer
x = 55,965,400.43
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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.