Finding the Fourth Proportional to 87,415,511.60, 131,202,582.60 and 44,314,698.80
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Solution
The fourth proportional to 87,415,511.60, 131,202,582.60 and 44,314,698.80 is: 66,512,256.50
Step by Step Solution
- Step 1: Write the proportion equation
87,415,511.60 : 131,202,582.60 = 44,314,698.80 : x - Step 2: Convert to fraction form
87,415,511.60/131,202,582.60 = 44,314,698.80/x - Step 3: Cross multiply
87,415,511.60x = 131,202,582.60 × 44,314,698.80 - Step 4: Simplify right side
87,415,511.60x = 5,814,202,929,701,120 - Step 5: Solve for x
x = 5,814,202,929,701,120/87,415,511.60 - Step 6: Final answer
x = 66,512,256.50
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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.