Finding the Fourth Proportional to 246,420,905.88, 340,063,537.50 and 136,414,455.96
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Solution
The fourth proportional to 246,420,905.88, 340,063,537.50 and 136,414,455.96 is: 188,253,436.92
Step by Step Solution
- Step 1: Write the proportion equation
246,420,905.88 : 340,063,537.50 = 136,414,455.96 : x - Step 2: Convert to fraction form
246,420,905.88/340,063,537.50 = 136,414,455.96/x - Step 3: Cross multiply
246,420,905.88x = 340,063,537.50 × 136,414,455.96 - Step 4: Simplify right side
246,420,905.88x = 46,389,582,459,895,560 - Step 5: Solve for x
x = 46,389,582,459,895,560/246,420,905.88 - Step 6: Final answer
x = 188,253,436.92
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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.