Finding the Fourth Proportional to 271,891,125.01, 375,196,712.74 and 154,400,936.05
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Solution
The fourth proportional to 271,891,125.01, 375,196,712.74 and 154,400,936.05 is: 213,065,886.75
Step by Step Solution
- Step 1: Write the proportion equation
271,891,125.01 : 375,196,712.74 = 154,400,936.05 : x - Step 2: Convert to fraction form
271,891,125.01/375,196,712.74 = 154,400,936.05/x - Step 3: Cross multiply
271,891,125.01x = 375,196,712.74 × 154,400,936.05 - Step 4: Simplify right side
271,891,125.01x = 57,930,723,649,938,968 - Step 5: Solve for x
x = 57,930,723,649,938,968/271,891,125.01 - Step 6: Final answer
x = 213,065,886.75
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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.