Finding the Fourth Proportional to 177,129,614.40, 265,694,421.60 and 108,750,580.80
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Solution
The fourth proportional to 177,129,614.40, 265,694,421.60 and 108,750,580.80 is: 163,125,871.20
Step by Step Solution
- Step 1: Write the proportion equation
177,129,614.40 : 265,694,421.60 = 108,750,580.80 : x - Step 2: Convert to fraction form
177,129,614.40/265,694,421.60 = 108,750,580.80/x - Step 3: Cross multiply
177,129,614.40x = 265,694,421.60 × 108,750,580.80 - Step 4: Simplify right side
177,129,614.40x = 28,894,422,664,320,064 - Step 5: Solve for x
x = 28,894,422,664,320,064/177,129,614.40 - Step 6: Final answer
x = 163,125,871.20
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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.