Finding the Fourth Proportional to 105,744,012.04, 145,927,912.44 and 58,704,266.44
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Solution
The fourth proportional to 105,744,012.04, 145,927,912.44 and 58,704,266.44 is: 81,012,540.45
Step by Step Solution
- Step 1: Write the proportion equation
105,744,012.04 : 145,927,912.44 = 58,704,266.44 : x - Step 2: Convert to fraction form
105,744,012.04/145,927,912.44 = 58,704,266.44/x - Step 3: Cross multiply
105,744,012.04x = 145,927,912.44 × 58,704,266.44 - Step 4: Simplify right side
105,744,012.04x = 8,566,591,052,910,750 - Step 5: Solve for x
x = 8,566,591,052,910,750/105,744,012.04 - Step 6: Final answer
x = 81,012,540.45
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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.