Finding the Fourth Proportional to 232,289,772.68, 320,380,835.80 and 144,235,903.88
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Solution
The fourth proportional to 232,289,772.68, 320,380,835.80 and 144,235,903.88 is: 198,934,369.36
Step by Step Solution
- Step 1: Write the proportion equation
232,289,772.68 : 320,380,835.80 = 144,235,903.88 : x - Step 2: Convert to fraction form
232,289,772.68/320,380,835.80 = 144,235,903.88/x - Step 3: Cross multiply
232,289,772.68x = 320,380,835.80 × 144,235,903.88 - Step 4: Simplify right side
232,289,772.68x = 46,210,419,437,442,864 - Step 5: Solve for x
x = 46,210,419,437,442,864/232,289,772.68 - Step 6: Final answer
x = 198,934,369.36
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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.