Finding the Fourth Proportional to 61,173,927.70, 91,811,083.20 and 60,695,630.80
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Solution
The fourth proportional to 61,173,927.70, 91,811,083.20 and 60,695,630.80 is: 91,093,245.42
Step by Step Solution
- Step 1: Write the proportion equation
61,173,927.70 : 91,811,083.20 = 60,695,630.80 : x - Step 2: Convert to fraction form
61,173,927.70/91,811,083.20 = 60,695,630.80/x - Step 3: Cross multiply
61,173,927.70x = 91,811,083.20 × 60,695,630.80 - Step 4: Simplify right side
61,173,927.70x = 5,572,531,609,255,282 - Step 5: Solve for x
x = 5,572,531,609,255,282/61,173,927.70 - Step 6: Final answer
x = 91,093,245.42
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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.