Finding the Fourth Proportional to 199,113,698.08, 274,689,733.61 and 189,882,194.18
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Solution
The fourth proportional to 199,113,698.08, 274,689,733.61 and 189,882,194.18 is: 261,954,299.68
Step by Step Solution
- Step 1: Write the proportion equation
199,113,698.08 : 274,689,733.61 = 189,882,194.18 : x - Step 2: Convert to fraction form
199,113,698.08/274,689,733.61 = 189,882,194.18/x - Step 3: Cross multiply
199,113,698.08x = 274,689,733.61 × 189,882,194.18 - Step 4: Simplify right side
199,113,698.08x = 52,158,689,336,586,496 - Step 5: Solve for x
x = 52,158,689,336,586,496/199,113,698.08 - Step 6: Final answer
x = 261,954,299.68
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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.