Finding the Fourth Proportional to 189,167,420.40, 283,751,130.60 and 102,872,482.80
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Solution
The fourth proportional to 189,167,420.40, 283,751,130.60 and 102,872,482.80 is: 154,308,724.20
Step by Step Solution
- Step 1: Write the proportion equation
189,167,420.40 : 283,751,130.60 = 102,872,482.80 : x - Step 2: Convert to fraction form
189,167,420.40/283,751,130.60 = 102,872,482.80/x - Step 3: Cross multiply
189,167,420.40x = 283,751,130.60 × 102,872,482.80 - Step 4: Simplify right side
189,167,420.40x = 29,190,183,302,129,056 - Step 5: Solve for x
x = 29,190,183,302,129,056/189,167,420.40 - Step 6: Final answer
x = 154,308,724.20
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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.