Finding the Fourth Proportional to 68,368,611.70, 102,553,180.50 and 16,553,128.04
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Solution
The fourth proportional to 68,368,611.70, 102,553,180.50 and 16,553,128.04 is: 24,829,755.72
Step by Step Solution
- Step 1: Write the proportion equation
68,368,611.70 : 102,553,180.50 = 16,553,128.04 : x - Step 2: Convert to fraction form
68,368,611.70/102,553,180.50 = 16,553,128.04/x - Step 3: Cross multiply
68,368,611.70x = 102,553,180.50 × 16,553,128.04 - Step 4: Simplify right side
68,368,611.70x = 1,697,575,927,212,965.25 - Step 5: Solve for x
x = 1,697,575,927,212,965.25/68,368,611.70 - Step 6: Final answer
x = 24,829,755.72
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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.