Finding the Fourth Proportional to 110,291,750.40, 165,437,625.60 and 87,448,972.80
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Solution
The fourth proportional to 110,291,750.40, 165,437,625.60 and 87,448,972.80 is: 131,173,459.20
Step by Step Solution
- Step 1: Write the proportion equation
110,291,750.40 : 165,437,625.60 = 87,448,972.80 : x - Step 2: Convert to fraction form
110,291,750.40/165,437,625.60 = 87,448,972.80/x - Step 3: Cross multiply
110,291,750.40x = 165,437,625.60 × 87,448,972.80 - Step 4: Simplify right side
110,291,750.40x = 14,467,350,421,190,982 - Step 5: Solve for x
x = 14,467,350,421,190,982/110,291,750.40 - Step 6: Final answer
x = 131,173,459.20
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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.