Finding the Fourth Proportional to 118,319,132.70, 177,478,699.05 and 54,618,140.70
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Solution
The fourth proportional to 118,319,132.70, 177,478,699.05 and 54,618,140.70 is: 81,927,211.05
Step by Step Solution
- Step 1: Write the proportion equation
118,319,132.70 : 177,478,699.05 = 54,618,140.70 : x - Step 2: Convert to fraction form
118,319,132.70/177,478,699.05 = 54,618,140.70/x - Step 3: Cross multiply
118,319,132.70x = 177,478,699.05 × 54,618,140.70 - Step 4: Simplify right side
118,319,132.70x = 9,693,556,555,965,858 - Step 5: Solve for x
x = 9,693,556,555,965,858/118,319,132.70 - Step 6: Final answer
x = 81,927,211.05
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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.