Finding the Fourth Proportional to 202,807,437.74, 279,889,296.88 and 113,508,313.02
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Solution
The fourth proportional to 202,807,437.74, 279,889,296.88 and 113,508,313.02 is: 156,649,885.60
Step by Step Solution
- Step 1: Write the proportion equation
202,807,437.74 : 279,889,296.88 = 113,508,313.02 : x - Step 2: Convert to fraction form
202,807,437.74/279,889,296.88 = 113,508,313.02/x - Step 3: Cross multiply
202,807,437.74x = 279,889,296.88 × 113,508,313.02 - Step 4: Simplify right side
202,807,437.74x = 31,769,761,921,202,748 - Step 5: Solve for x
x = 31,769,761,921,202,748/202,807,437.74 - Step 6: Final answer
x = 156,649,885.60
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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.