Finding the Fourth Proportional to 202,807,434.75, 279,889,292.73 and 113,508,310.02
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Solution
The fourth proportional to 202,807,434.75, 279,889,292.73 and 113,508,310.02 is: 156,649,881.45
Step by Step Solution
- Step 1: Write the proportion equation
202,807,434.75 : 279,889,292.73 = 113,508,310.02 : x - Step 2: Convert to fraction form
202,807,434.75/279,889,292.73 = 113,508,310.02/x - Step 3: Cross multiply
202,807,434.75x = 279,889,292.73 × 113,508,310.02 - Step 4: Simplify right side
202,807,434.75x = 31,769,760,610,475,372 - Step 5: Solve for x
x = 31,769,760,610,475,372/202,807,434.75 - Step 6: Final answer
x = 156,649,881.45
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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.