Finding the Fourth Proportional to 126,728,185.98, 174,864,920.67 and 73,813,602.18
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Solution
The fourth proportional to 126,728,185.98, 174,864,920.67 and 73,813,602.18 is: 101,851,135.88
Step by Step Solution
- Step 1: Write the proportion equation
126,728,185.98 : 174,864,920.67 = 73,813,602.18 : x - Step 2: Convert to fraction form
126,728,185.98/174,864,920.67 = 73,813,602.18/x - Step 3: Cross multiply
126,728,185.98x = 174,864,920.67 × 73,813,602.18 - Step 4: Simplify right side
126,728,185.98x = 12,907,409,689,572,640 - Step 5: Solve for x
x = 12,907,409,689,572,640/126,728,185.98 - Step 6: Final answer
x = 101,851,135.88
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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.