Finding the Fourth Proportional to 159,635,122.49, 239,574,902.11 and 72,258,001.11
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Solution
The fourth proportional to 159,635,122.49, 239,574,902.11 and 72,258,001.11 is: 108,442,323.17
Step by Step Solution
- Step 1: Write the proportion equation
159,635,122.49 : 239,574,902.11 = 72,258,001.11 : x - Step 2: Convert to fraction form
159,635,122.49/239,574,902.11 = 72,258,001.11/x - Step 3: Cross multiply
159,635,122.49x = 239,574,902.11 × 72,258,001.11 - Step 4: Simplify right side
159,635,122.49x = 17,311,203,542,592,522 - Step 5: Solve for x
x = 17,311,203,542,592,522/159,635,122.49 - Step 6: Final answer
x = 108,442,323.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.