Finding the Fourth Proportional to 163,307,104.80, 244,960,657.20 and 122,996,320.80
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Solution
The fourth proportional to 163,307,104.80, 244,960,657.20 and 122,996,320.80 is: 184,494,481.20
Step by Step Solution
- Step 1: Write the proportion equation
163,307,104.80 : 244,960,657.20 = 122,996,320.80 : x - Step 2: Convert to fraction form
163,307,104.80/244,960,657.20 = 122,996,320.80/x - Step 3: Cross multiply
163,307,104.80x = 244,960,657.20 × 122,996,320.80 - Step 4: Simplify right side
163,307,104.80x = 30,129,259,576,350,028 - Step 5: Solve for x
x = 30,129,259,576,350,028/163,307,104.80 - Step 6: Final answer
x = 184,494,481.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.