Finding the Fourth Proportional to 149,467,929.20, 224,201,893.80 and 91,773,119.60
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Solution
The fourth proportional to 149,467,929.20, 224,201,893.80 and 91,773,119.60 is: 137,659,679.40
Step by Step Solution
- Step 1: Write the proportion equation
149,467,929.20 : 224,201,893.80 = 91,773,119.60 : x - Step 2: Convert to fraction form
149,467,929.20/224,201,893.80 = 91,773,119.60/x - Step 3: Cross multiply
149,467,929.20x = 224,201,893.80 × 91,773,119.60 - Step 4: Simplify right side
149,467,929.20x = 20,575,707,214,253,900 - Step 5: Solve for x
x = 20,575,707,214,253,900/149,467,929.20 - Step 6: Final answer
x = 137,659,679.40
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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.