Finding the Fourth Proportional to 68,031,458.26, 93,891,382.76 and 38,667,204.79
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Solution
The fourth proportional to 68,031,458.26, 93,891,382.76 and 38,667,204.79 is: 53,365,272.74
Step by Step Solution
- Step 1: Write the proportion equation
68,031,458.26 : 93,891,382.76 = 38,667,204.79 : x - Step 2: Convert to fraction form
68,031,458.26/93,891,382.76 = 38,667,204.79/x - Step 3: Cross multiply
68,031,458.26x = 93,891,382.76 × 38,667,204.79 - Step 4: Simplify right side
68,031,458.26x = 3,630,517,325,197,195.50 - Step 5: Solve for x
x = 3,630,517,325,197,195.50/68,031,458.26 - Step 6: Final answer
x = 53,365,272.74
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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.