Finding the Fourth Proportional to 120,787,445.60, 181,133,929.20 and 44,070,984.80
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Solution
The fourth proportional to 120,787,445.60, 181,133,929.20 and 44,070,984.80 is: 66,089,241.32
Step by Step Solution
- Step 1: Write the proportion equation
120,787,445.60 : 181,133,929.20 = 44,070,984.80 : x - Step 2: Convert to fraction form
120,787,445.60/181,133,929.20 = 44,070,984.80/x - Step 3: Cross multiply
120,787,445.60x = 181,133,929.20 × 44,070,984.80 - Step 4: Simplify right side
120,787,445.60x = 7,982,750,640,537,475 - Step 5: Solve for x
x = 7,982,750,640,537,475/120,787,445.60 - Step 6: Final answer
x = 66,089,241.32
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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.