Finding the Fourth Proportional to 281,971,585.08, 422,960,298.48 and 85,236,636.96
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Solution
The fourth proportional to 281,971,585.08, 422,960,298.48 and 85,236,636.96 is: 127,855,838.38
Step by Step Solution
- Step 1: Write the proportion equation
281,971,585.08 : 422,960,298.48 = 85,236,636.96 : x - Step 2: Convert to fraction form
281,971,585.08/422,960,298.48 = 85,236,636.96/x - Step 3: Cross multiply
281,971,585.08x = 422,960,298.48 × 85,236,636.96 - Step 4: Simplify right side
281,971,585.08x = 36,051,713,410,033,000 - Step 5: Solve for x
x = 36,051,713,410,033,000/281,971,585.08 - Step 6: Final answer
x = 127,855,838.38
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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.