Finding the Fourth Proportional to 221,117,393.94, 331,676,201.69 and 75,552,382.58
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Solution
The fourth proportional to 221,117,393.94, 331,676,201.69 and 75,552,382.58 is: 113,328,611.71
Step by Step Solution
- Step 1: Write the proportion equation
221,117,393.94 : 331,676,201.69 = 75,552,382.58 : x - Step 2: Convert to fraction form
221,117,393.94/331,676,201.69 = 75,552,382.58/x - Step 3: Cross multiply
221,117,393.94x = 331,676,201.69 × 75,552,382.58 - Step 4: Simplify right side
221,117,393.94x = 25,058,927,280,727,980 - Step 5: Solve for x
x = 25,058,927,280,727,980/221,117,393.94 - Step 6: Final answer
x = 113,328,611.71
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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.