Finding the Fourth Proportional to 240,282,230.64, 331,596,473.38 and 135,858,059.88
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Solution
The fourth proportional to 240,282,230.64, 331,596,473.38 and 135,858,059.88 is: 187,488,077.73
Step by Step Solution
- Step 1: Write the proportion equation
240,282,230.64 : 331,596,473.38 = 135,858,059.88 : x - Step 2: Convert to fraction form
240,282,230.64/331,596,473.38 = 135,858,059.88/x - Step 3: Cross multiply
240,282,230.64x = 331,596,473.38 × 135,858,059.88 - Step 4: Simplify right side
240,282,230.64x = 45,050,053,536,456,864 - Step 5: Solve for x
x = 45,050,053,536,456,864/240,282,230.64 - Step 6: Final answer
x = 187,488,077.73
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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.