Finding the Fourth Proportional to 267,157,912.13, 368,691,526.29 and 154,085,354.35
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Solution
The fourth proportional to 267,157,912.13, 368,691,526.29 and 154,085,354.35 is: 212,645,637.26
Step by Step Solution
- Step 1: Write the proportion equation
267,157,912.13 : 368,691,526.29 = 154,085,354.35 : x - Step 2: Convert to fraction form
267,157,912.13/368,691,526.29 = 154,085,354.35/x - Step 3: Cross multiply
267,157,912.13x = 368,691,526.29 × 154,085,354.35 - Step 4: Simplify right side
267,157,912.13x = 56,809,964,474,065,288 - Step 5: Solve for x
x = 56,809,964,474,065,288/267,157,912.13 - Step 6: Final answer
x = 212,645,637.26
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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.