Finding the Fourth Proportional to 202,464,876.40, 279,400,138 and 109,643,260.12
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Solution
The fourth proportional to 202,464,876.40, 279,400,138 and 109,643,260.12 is: 151,306,945.45
Step by Step Solution
- Step 1: Write the proportion equation
202,464,876.40 : 279,400,138 = 109,643,260.12 : x - Step 2: Convert to fraction form
202,464,876.40/279,400,138 = 109,643,260.12/x - Step 3: Cross multiply
202,464,876.40x = 279,400,138 × 109,643,260.12 - Step 4: Simplify right side
202,464,876.40x = 30,634,342,008,297,896 - Step 5: Solve for x
x = 30,634,342,008,297,896/202,464,876.40 - Step 6: Final answer
x = 151,306,945.45
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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.