Finding the Fourth Proportional to 160,381,497.44, 221,326,557.10 and 87,042,639.44
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Solution
The fourth proportional to 160,381,497.44, 221,326,557.10 and 87,042,639.44 is: 120,118,891.62
Step by Step Solution
- Step 1: Write the proportion equation
160,381,497.44 : 221,326,557.10 = 87,042,639.44 : x - Step 2: Convert to fraction form
160,381,497.44/221,326,557.10 = 87,042,639.44/x - Step 3: Cross multiply
160,381,497.44x = 221,326,557.10 × 87,042,639.44 - Step 4: Simplify right side
160,381,497.44x = 19,264,847,708,151,872 - Step 5: Solve for x
x = 19,264,847,708,151,872/160,381,497.44 - Step 6: Final answer
x = 120,118,891.62
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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.