Finding the Fourth Proportional to 136,487,638.08, 204,731,457.84 and 45,611,227.08
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Solution
The fourth proportional to 136,487,638.08, 204,731,457.84 and 45,611,227.08 is: 68,416,840.86
Step by Step Solution
- Step 1: Write the proportion equation
136,487,638.08 : 204,731,457.84 = 45,611,227.08 : x - Step 2: Convert to fraction form
136,487,638.08/204,731,457.84 = 45,611,227.08/x - Step 3: Cross multiply
136,487,638.08x = 204,731,457.84 × 45,611,227.08 - Step 4: Simplify right side
136,487,638.08x = 9,338,053,013,959,686 - Step 5: Solve for x
x = 9,338,053,013,959,686/136,487,638.08 - Step 6: Final answer
x = 68,416,840.86
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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.