Finding the Fourth Proportional to 117,523,239.40, 176,284,859.10 and 71,539,085.80
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Solution
The fourth proportional to 117,523,239.40, 176,284,859.10 and 71,539,085.80 is: 107,308,628.70
Step by Step Solution
- Step 1: Write the proportion equation
117,523,239.40 : 176,284,859.10 = 71,539,085.80 : x - Step 2: Convert to fraction form
117,523,239.40/176,284,859.10 = 71,539,085.80/x - Step 3: Cross multiply
117,523,239.40x = 176,284,859.10 × 71,539,085.80 - Step 4: Simplify right side
117,523,239.40x = 12,611,257,660,395,810 - Step 5: Solve for x
x = 12,611,257,660,395,810/117,523,239.40 - Step 6: Final answer
x = 107,308,628.70
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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.