Finding the Fourth Proportional to 155,125,220.04, 214,071,353.82 and 84,560,819.40
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Solution
The fourth proportional to 155,125,220.04, 214,071,353.82 and 84,560,819.40 is: 116,693,140.45
Step by Step Solution
- Step 1: Write the proportion equation
155,125,220.04 : 214,071,353.82 = 84,560,819.40 : x - Step 2: Convert to fraction form
155,125,220.04/214,071,353.82 = 84,560,819.40/x - Step 3: Cross multiply
155,125,220.04x = 214,071,353.82 × 84,560,819.40 - Step 4: Simplify right side
155,125,220.04x = 18,102,049,089,086,520 - Step 5: Solve for x
x = 18,102,049,089,086,520/155,125,220.04 - Step 6: Final answer
x = 116,693,140.45
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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.