Finding the Fourth Proportional to 88,403,424.30, 132,605,136.45 and 66,880,063.80
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Solution
The fourth proportional to 88,403,424.30, 132,605,136.45 and 66,880,063.80 is: 100,320,095.70
Step by Step Solution
- Step 1: Write the proportion equation
88,403,424.30 : 132,605,136.45 = 66,880,063.80 : x - Step 2: Convert to fraction form
88,403,424.30/132,605,136.45 = 66,880,063.80/x - Step 3: Cross multiply
88,403,424.30x = 132,605,136.45 × 66,880,063.80 - Step 4: Simplify right side
88,403,424.30x = 8,868,639,985,983,705 - Step 5: Solve for x
x = 8,868,639,985,983,705/88,403,424.30 - Step 6: Final answer
x = 100,320,095.70
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1.5x scale
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.