Finding the Fourth Proportional to 303,203,099.96, 418,421,531.06 and 163,973,858.84
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Solution
The fourth proportional to 303,203,099.96, 418,421,531.06 and 163,973,858.84 is: 226,284,602.89
Step by Step Solution
- Step 1: Write the proportion equation
303,203,099.96 : 418,421,531.06 = 163,973,858.84 : x - Step 2: Convert to fraction form
303,203,099.96/418,421,531.06 = 163,973,858.84/x - Step 3: Cross multiply
303,203,099.96x = 418,421,531.06 × 163,973,858.84 - Step 4: Simplify right side
303,203,099.96x = 68,610,193,068,829,248 - Step 5: Solve for x
x = 68,610,193,068,829,248/303,203,099.96 - Step 6: Final answer
x = 226,284,602.89
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1.5x scale
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.