Finding the Fourth Proportional to 174,312,105.60, 261,440,164.80 and 53,115,369.60
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Solution
The fourth proportional to 174,312,105.60, 261,440,164.80 and 53,115,369.60 is: 79,664,524.35
Step by Step Solution
- Step 1: Write the proportion equation
174,312,105.60 : 261,440,164.80 = 53,115,369.60 : x - Step 2: Convert to fraction form
174,312,105.60/261,440,164.80 = 53,115,369.60/x - Step 3: Cross multiply
174,312,105.60x = 261,440,164.80 × 53,115,369.60 - Step 4: Simplify right side
174,312,105.60x = 13,886,490,981,636,912 - Step 5: Solve for x
x = 13,886,490,981,636,912/174,312,105.60 - Step 6: Final answer
x = 79,664,524.35
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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.