Finding the Fourth Proportional to 87,415,415.60, 131,202,438.60 and 44,314,602.80
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Solution
The fourth proportional to 87,415,415.60, 131,202,438.60 and 44,314,602.80 is: 66,512,112.46
Step by Step Solution
- Step 1: Write the proportion equation
87,415,415.60 : 131,202,438.60 = 44,314,602.80 : x - Step 2: Convert to fraction form
87,415,415.60/131,202,438.60 = 44,314,602.80/x - Step 3: Cross multiply
87,415,415.60x = 131,202,438.60 × 44,314,602.80 - Step 4: Simplify right side
87,415,415.60x = 5,814,183,952,950,387 - Step 5: Solve for x
x = 5,814,183,952,950,387/87,415,415.60 - Step 6: Final answer
x = 66,512,112.46
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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.