Finding the Fourth Proportional to 202,807,435.74, 279,889,294.12 and 113,508,311.02
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Solution
The fourth proportional to 202,807,435.74, 279,889,294.12 and 113,508,311.02 is: 156,649,882.84
Step by Step Solution
- Step 1: Write the proportion equation
202,807,435.74 : 279,889,294.12 = 113,508,311.02 : x - Step 2: Convert to fraction form
202,807,435.74/279,889,294.12 = 113,508,311.02/x - Step 3: Cross multiply
202,807,435.74x = 279,889,294.12 × 113,508,311.02 - Step 4: Simplify right side
202,807,435.74x = 31,769,761,048,141,216 - Step 5: Solve for x
x = 31,769,761,048,141,216/202,807,435.74 - Step 6: Final answer
x = 156,649,882.84
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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.