Finding the Fourth Proportional to 186,790,141.08, 280,357,445.70 and 94,738,483.80
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Solution
The fourth proportional to 186,790,141.08, 280,357,445.70 and 94,738,483.80 is: 142,195,081.46
Step by Step Solution
- Step 1: Write the proportion equation
186,790,141.08 : 280,357,445.70 = 94,738,483.80 : x - Step 2: Convert to fraction form
186,790,141.08/280,357,445.70 = 94,738,483.80/x - Step 3: Cross multiply
186,790,141.08x = 280,357,445.70 × 94,738,483.80 - Step 4: Simplify right side
186,790,141.08x = 26,560,639,327,658,828 - Step 5: Solve for x
x = 26,560,639,327,658,828/186,790,141.08 - Step 6: Final answer
x = 142,195,081.46
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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.