Finding the Fourth Proportional to 79,540,619.06, 109,753,224.99 and 44,731,233.56
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Solution
The fourth proportional to 79,540,619.06, 109,753,224.99 and 44,731,233.56 is: 61,721,887.50
Step by Step Solution
- Step 1: Write the proportion equation
79,540,619.06 : 109,753,224.99 = 44,731,233.56 : x - Step 2: Convert to fraction form
79,540,619.06/109,753,224.99 = 44,731,233.56/x - Step 3: Cross multiply
79,540,619.06x = 109,753,224.99 × 44,731,233.56 - Step 4: Simplify right side
79,540,619.06x = 4,909,397,140,990,919 - Step 5: Solve for x
x = 4,909,397,140,990,919/79,540,619.06 - Step 6: Final answer
x = 61,721,887.50
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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.