Finding the Fourth Proportional to 126,728,189.98, 174,864,926.18 and 73,813,606.18
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Solution
The fourth proportional to 126,728,189.98, 174,864,926.18 and 73,813,606.18 is: 101,851,141.39
Step by Step Solution
- Step 1: Write the proportion equation
126,728,189.98 : 174,864,926.18 = 73,813,606.18 : x - Step 2: Convert to fraction form
126,728,189.98/174,864,926.18 = 73,813,606.18/x - Step 3: Cross multiply
126,728,189.98x = 174,864,926.18 × 73,813,606.18 - Step 4: Simplify right side
126,728,189.98x = 12,907,410,795,745,294 - Step 5: Solve for x
x = 12,907,410,795,745,294/126,728,189.98 - Step 6: Final answer
x = 101,851,141.39
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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.