Finding the Fourth Proportional to 149,465,536.80, 224,198,305.20 and 68,843,968.80
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Solution
The fourth proportional to 149,465,536.80, 224,198,305.20 and 68,843,968.80 is: 103,265,953.20
Step by Step Solution
- Step 1: Write the proportion equation
149,465,536.80 : 224,198,305.20 = 68,843,968.80 : x - Step 2: Convert to fraction form
149,465,536.80/224,198,305.20 = 68,843,968.80/x - Step 3: Cross multiply
149,465,536.80x = 224,198,305.20 × 68,843,968.80 - Step 4: Simplify right side
149,465,536.80x = 15,434,701,128,201,676 - Step 5: Solve for x
x = 15,434,701,128,201,676/149,465,536.80 - Step 6: Final answer
x = 103,265,953.20
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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.