Finding the Fourth Proportional to 134,787,549.60, 202,181,324.40 and 66,616,135.20
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Solution
The fourth proportional to 134,787,549.60, 202,181,324.40 and 66,616,135.20 is: 99,924,202.80
Step by Step Solution
- Step 1: Write the proportion equation
134,787,549.60 : 202,181,324.40 = 66,616,135.20 : x - Step 2: Convert to fraction form
134,787,549.60/202,181,324.40 = 66,616,135.20/x - Step 3: Cross multiply
134,787,549.60x = 202,181,324.40 × 66,616,135.20 - Step 4: Simplify right side
134,787,549.60x = 13,468,538,441,145,460 - Step 5: Solve for x
x = 13,468,538,441,145,460/134,787,549.60 - Step 6: Final answer
x = 99,924,202.80
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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.