Finding the Fourth Proportional to 186,497,181.98, 279,685,238.85 and 61,966,367.52
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Solution
The fourth proportional to 186,497,181.98, 279,685,238.85 and 61,966,367.52 is: 92,929,437.95
Step by Step Solution
- Step 1: Write the proportion equation
186,497,181.98 : 279,685,238.85 = 61,966,367.52 : x - Step 2: Convert to fraction form
186,497,181.98/279,685,238.85 = 61,966,367.52/x - Step 3: Cross multiply
186,497,181.98x = 279,685,238.85 × 61,966,367.52 - Step 4: Simplify right side
186,497,181.98x = 17,331,078,300,498,084 - Step 5: Solve for x
x = 17,331,078,300,498,084/186,497,181.98 - Step 6: Final answer
x = 92,929,437.95
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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.