Finding the Fourth Proportional to 63,611,040.12, 87,786,985.05 and 47,902,349.97
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Solution
The fourth proportional to 63,611,040.12, 87,786,985.05 and 47,902,349.97 is: 66,108,066.66
Step by Step Solution
- Step 1: Write the proportion equation
63,611,040.12 : 87,786,985.05 = 47,902,349.97 : x - Step 2: Convert to fraction form
63,611,040.12/87,786,985.05 = 47,902,349.97/x - Step 3: Cross multiply
63,611,040.12x = 87,786,985.05 × 47,902,349.97 - Step 4: Simplify right side
63,611,040.12x = 4,205,202,880,676,257.50 - Step 5: Solve for x
x = 4,205,202,880,676,257.50/63,611,040.12 - Step 6: Final answer
x = 66,108,066.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.