Finding the Fourth Proportional to 98,444,556.41, 135,856,227.11 and 54,394,393.05
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Solution
The fourth proportional to 98,444,556.41, 135,856,227.11 and 54,394,393.05 is: 75,065,775.96
Step by Step Solution
- Step 1: Write the proportion equation
98,444,556.41 : 135,856,227.11 = 54,394,393.05 : x - Step 2: Convert to fraction form
98,444,556.41/135,856,227.11 = 54,394,393.05/x - Step 3: Cross multiply
98,444,556.41x = 135,856,227.11 × 54,394,393.05 - Step 4: Simplify right side
98,444,556.41x = 7,389,817,015,439,433 - Step 5: Solve for x
x = 7,389,817,015,439,433/98,444,556.41 - Step 6: Final answer
x = 75,065,775.96
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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.