Finding the Fourth Proportional to 134,757,536.80, 202,136,305.20 and 48,498,757.60
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Solution
The fourth proportional to 134,757,536.80, 202,136,305.20 and 48,498,757.60 is: 72,748,136.40
Step by Step Solution
- Step 1: Write the proportion equation
134,757,536.80 : 202,136,305.20 = 48,498,757.60 : x - Step 2: Convert to fraction form
134,757,536.80/202,136,305.20 = 48,498,757.60/x - Step 3: Cross multiply
134,757,536.80x = 202,136,305.20 × 48,498,757.60 - Step 4: Simplify right side
134,757,536.80x = 9,803,359,668,054,420 - Step 5: Solve for x
x = 9,803,359,668,054,420/134,757,536.80 - Step 6: Final answer
x = 72,748,136.40
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1.5x scale
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.